Home / 13,840,459.28-19,099,463.61-7,645,372.66

Finding the Fourth Proportional to 13,840,459.28, 19,099,463.61 and 7,645,372.66

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Solution

The fourth proportional to 13,840,459.28, 19,099,463.61 and 7,645,372.66 is: 10,550,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,459.28 : 19,099,463.61 = 7,645,372.66 : x
  2. Step 2: Convert to fraction form
    13,840,459.28/19,099,463.61 = 7,645,372.66/x
  3. Step 3: Cross multiply
    13,840,459.28x = 19,099,463.61 × 7,645,372.66
  4. Step 4: Simplify right side
    13,840,459.28x = 146,022,516,904,558.91
  5. Step 5: Solve for x
    x = 146,022,516,904,558.91/13,840,459.28
  6. Step 6: Final answer
    x = 10,550,409.78

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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.