Home / 16,238,361.56-22,408,931.18-9,711,990.90

Finding the Fourth Proportional to 16,238,361.56, 22,408,931.18 and 9,711,990.90

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Solution

The fourth proportional to 16,238,361.56, 22,408,931.18 and 9,711,990.90 is: 13,402,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,238,361.56 : 22,408,931.18 = 9,711,990.90 : x
  2. Step 2: Convert to fraction form
    16,238,361.56/22,408,931.18 = 9,711,990.90/x
  3. Step 3: Cross multiply
    16,238,361.56x = 22,408,931.18 × 9,711,990.90
  4. Step 4: Simplify right side
    16,238,361.56x = 217,635,335,698,886.28
  5. Step 5: Solve for x
    x = 217,635,335,698,886.28/16,238,361.56
  6. Step 6: Final answer
    x = 13,402,542.79

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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.