Home / 31,390,276.28-47,060,005.12-9,813,771.68

Finding the Fourth Proportional to 31,390,276.28, 47,060,005.12 and 9,813,771.68

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Solution

The fourth proportional to 31,390,276.28, 47,060,005.12 and 9,813,771.68 is: 14,712,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390,276.28 : 47,060,005.12 = 9,813,771.68 : x
  2. Step 2: Convert to fraction form
    31,390,276.28/47,060,005.12 = 9,813,771.68/x
  3. Step 3: Cross multiply
    31,390,276.28x = 47,060,005.12 × 9,813,771.68
  4. Step 4: Simplify right side
    31,390,276.28x = 461,836,145,247,476.56
  5. Step 5: Solve for x
    x = 461,836,145,247,476.56/31,390,276.28
  6. Step 6: Final answer
    x = 14,712,713.62

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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.