Home / 13,512,836.64-20,272,711.40-3,928,215.17

Finding the Fourth Proportional to 13,512,836.64, 20,272,711.40 and 3,928,215.17

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Solution

The fourth proportional to 13,512,836.64, 20,272,711.40 and 3,928,215.17 is: 5,893,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,836.64 : 20,272,711.40 = 3,928,215.17 : x
  2. Step 2: Convert to fraction form
    13,512,836.64/20,272,711.40 = 3,928,215.17/x
  3. Step 3: Cross multiply
    13,512,836.64x = 20,272,711.40 × 3,928,215.17
  4. Step 4: Simplify right side
    13,512,836.64x = 79,635,572,412,345.67
  5. Step 5: Solve for x
    x = 79,635,572,412,345.67/13,512,836.64
  6. Step 6: Final answer
    x = 5,893,327.55

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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.