Home / 20,778,863.10-31,168,294.65-20,778,863.10

Finding the Fourth Proportional to 20,778,863.10, 31,168,294.65 and 20,778,863.10

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Solution

The fourth proportional to 20,778,863.10, 31,168,294.65 and 20,778,863.10 is: 31,168,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,778,863.10 : 31,168,294.65 = 20,778,863.10 : x
  2. Step 2: Convert to fraction form
    20,778,863.10/31,168,294.65 = 20,778,863.10/x
  3. Step 3: Cross multiply
    20,778,863.10x = 31,168,294.65 × 20,778,863.10
  4. Step 4: Simplify right side
    20,778,863.10x = 647,641,727,592,812.38
  5. Step 5: Solve for x
    x = 647,641,727,592,812.38/20,778,863.10
  6. Step 6: Final answer
    x = 31,168,294.65

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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.