Home / 28,342,054.90-42,513,082.35-18,600,282.10

Finding the Fourth Proportional to 28,342,054.90, 42,513,082.35 and 18,600,282.10

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Solution

The fourth proportional to 28,342,054.90, 42,513,082.35 and 18,600,282.10 is: 27,900,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342,054.90 : 42,513,082.35 = 18,600,282.10 : x
  2. Step 2: Convert to fraction form
    28,342,054.90/42,513,082.35 = 18,600,282.10/x
  3. Step 3: Cross multiply
    28,342,054.90x = 42,513,082.35 × 18,600,282.10
  4. Step 4: Simplify right side
    28,342,054.90x = 790,755,324,650,531
  5. Step 5: Solve for x
    x = 790,755,324,650,531/28,342,054.90
  6. Step 6: Final answer
    x = 27,900,423.15

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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.