Home / 14,985,331.13-20,679,716.25-8,109,813.20

Finding the Fourth Proportional to 14,985,331.13, 20,679,716.25 and 8,109,813.20

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Solution

The fourth proportional to 14,985,331.13, 20,679,716.25 and 8,109,813.20 is: 11,191,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,331.13 : 20,679,716.25 = 8,109,813.20 : x
  2. Step 2: Convert to fraction form
    14,985,331.13/20,679,716.25 = 8,109,813.20/x
  3. Step 3: Cross multiply
    14,985,331.13x = 20,679,716.25 × 8,109,813.20
  4. Step 4: Simplify right side
    14,985,331.13x = 167,708,635,816,504.50
  5. Step 5: Solve for x
    x = 167,708,635,816,504.50/14,985,331.13
  6. Step 6: Final answer
    x = 11,191,520.18

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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.