Home / 31,872,905.40-47,809,358.10-10,322,972.85

Finding the Fourth Proportional to 31,872,905.40, 47,809,358.10 and 10,322,972.85

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Solution

The fourth proportional to 31,872,905.40, 47,809,358.10 and 10,322,972.85 is: 15,484,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,905.40 : 47,809,358.10 = 10,322,972.85 : x
  2. Step 2: Convert to fraction form
    31,872,905.40/47,809,358.10 = 10,322,972.85/x
  3. Step 3: Cross multiply
    31,872,905.40x = 47,809,358.10 × 10,322,972.85
  4. Step 4: Simplify right side
    31,872,905.40x = 493,534,705,642,227.56
  5. Step 5: Solve for x
    x = 493,534,705,642,227.56/31,872,905.40
  6. Step 6: Final answer
    x = 15,484,459.28

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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.