Home / 30,240,987.60-45,361,481.40-27,123,200.40

Finding the Fourth Proportional to 30,240,987.60, 45,361,481.40 and 27,123,200.40

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Solution

The fourth proportional to 30,240,987.60, 45,361,481.40 and 27,123,200.40 is: 40,684,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,987.60 : 45,361,481.40 = 27,123,200.40 : x
  2. Step 2: Convert to fraction form
    30,240,987.60/45,361,481.40 = 27,123,200.40/x
  3. Step 3: Cross multiply
    30,240,987.60x = 45,361,481.40 × 27,123,200.40
  4. Step 4: Simplify right side
    30,240,987.60x = 1,230,348,550,453,072.50
  5. Step 5: Solve for x
    x = 1,230,348,550,453,072.50/30,240,987.60
  6. Step 6: Final answer
    x = 40,684,800.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.