Home / 18,190,281.40-27,285,422.10-5,409,125.35

Finding the Fourth Proportional to 18,190,281.40, 27,285,422.10 and 5,409,125.35

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Solution

The fourth proportional to 18,190,281.40, 27,285,422.10 and 5,409,125.35 is: 8,113,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,281.40 : 27,285,422.10 = 5,409,125.35 : x
  2. Step 2: Convert to fraction form
    18,190,281.40/27,285,422.10 = 5,409,125.35/x
  3. Step 3: Cross multiply
    18,190,281.40x = 27,285,422.10 × 5,409,125.35
  4. Step 4: Simplify right side
    18,190,281.40x = 147,590,268,366,560.22
  5. Step 5: Solve for x
    x = 147,590,268,366,560.22/18,190,281.40
  6. Step 6: Final answer
    x = 8,113,688.03

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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.