Home / 6,640,005.60-9,960,008.40-6,360,069.60

Finding the Fourth Proportional to 6,640,005.60, 9,960,008.40 and 6,360,069.60

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Solution

The fourth proportional to 6,640,005.60, 9,960,008.40 and 6,360,069.60 is: 9,540,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,005.60 : 9,960,008.40 = 6,360,069.60 : x
  2. Step 2: Convert to fraction form
    6,640,005.60/9,960,008.40 = 6,360,069.60/x
  3. Step 3: Cross multiply
    6,640,005.60x = 9,960,008.40 × 6,360,069.60
  4. Step 4: Simplify right side
    6,640,005.60x = 63,346,346,640,584.64
  5. Step 5: Solve for x
    x = 63,346,346,640,584.64/6,640,005.60
  6. Step 6: Final answer
    x = 9,540,104.40

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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.