Home / 20,798,373.27-28,700,892.86-11,379,118.04

Finding the Fourth Proportional to 20,798,373.27, 28,700,892.86 and 11,379,118.04

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Solution

The fourth proportional to 20,798,373.27, 28,700,892.86 and 11,379,118.04 is: 15,702,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,373.27 : 28,700,892.86 = 11,379,118.04 : x
  2. Step 2: Convert to fraction form
    20,798,373.27/28,700,892.86 = 11,379,118.04/x
  3. Step 3: Cross multiply
    20,798,373.27x = 28,700,892.86 × 11,379,118.04
  4. Step 4: Simplify right side
    20,798,373.27x = 326,590,847,506,933.12
  5. Step 5: Solve for x
    x = 326,590,847,506,933.12/20,798,373.27
  6. Step 6: Final answer
    x = 15,702,711.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.