Home / 31,898,422.80-47,858,693.40-13,960,400.40

Finding the Fourth Proportional to 31,898,422.80, 47,858,693.40 and 13,960,400.40

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Solution

The fourth proportional to 31,898,422.80, 47,858,693.40 and 13,960,400.40 is: 20,945,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,898,422.80 : 47,858,693.40 = 13,960,400.40 : x
  2. Step 2: Convert to fraction form
    31,898,422.80/47,858,693.40 = 13,960,400.40/x
  3. Step 3: Cross multiply
    31,898,422.80x = 47,858,693.40 × 13,960,400.40
  4. Step 4: Simplify right side
    31,898,422.80x = 668,126,522,484,837.38
  5. Step 5: Solve for x
    x = 668,126,522,484,837.38/31,898,422.80
  6. Step 6: Final answer
    x = 20,945,440.68

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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.