Home / 18,664,561.10-27,996,841.65-15,475,915.10

Finding the Fourth Proportional to 18,664,561.10, 27,996,841.65 and 15,475,915.10

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Solution

The fourth proportional to 18,664,561.10, 27,996,841.65 and 15,475,915.10 is: 23,213,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,561.10 : 27,996,841.65 = 15,475,915.10 : x
  2. Step 2: Convert to fraction form
    18,664,561.10/27,996,841.65 = 15,475,915.10/x
  3. Step 3: Cross multiply
    18,664,561.10x = 27,996,841.65 × 15,475,915.10
  4. Step 4: Simplify right side
    18,664,561.10x = 433,276,744,443,543.88
  5. Step 5: Solve for x
    x = 433,276,744,443,543.88/18,664,561.10
  6. Step 6: Final answer
    x = 23,213,872.65

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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.