Home / 13,359,066.12-18,435,517.92-7,247,493

Finding the Fourth Proportional to 13,359,066.12, 18,435,517.92 and 7,247,493

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Solution

The fourth proportional to 13,359,066.12, 18,435,517.92 and 7,247,493 is: 10,001,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,066.12 : 18,435,517.92 = 7,247,493 : x
  2. Step 2: Convert to fraction form
    13,359,066.12/18,435,517.92 = 7,247,493/x
  3. Step 3: Cross multiply
    13,359,066.12x = 18,435,517.92 × 7,247,493
  4. Step 4: Simplify right side
    13,359,066.12x = 133,611,287,076,574.58
  5. Step 5: Solve for x
    x = 133,611,287,076,574.58/13,359,066.12
  6. Step 6: Final answer
    x = 10,001,543.96

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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.