Home / 18,341,715.90-27,447,255.45-15,971,591.10

Finding the Fourth Proportional to 18,341,715.90, 27,447,255.45 and 15,971,591.10

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Solution

The fourth proportional to 18,341,715.90, 27,447,255.45 and 15,971,591.10 is: 23,900,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341,715.90 : 27,447,255.45 = 15,971,591.10 : x
  2. Step 2: Convert to fraction form
    18,341,715.90/27,447,255.45 = 15,971,591.10/x
  3. Step 3: Cross multiply
    18,341,715.90x = 27,447,255.45 × 15,971,591.10
  4. Step 4: Simplify right side
    18,341,715.90x = 438,376,340,864,646.50
  5. Step 5: Solve for x
    x = 438,376,340,864,646.50/18,341,715.90
  6. Step 6: Final answer
    x = 23,900,508.72

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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.