Home / 31,861,468.80-47,792,203.20-13,674,376.80

Finding the Fourth Proportional to 31,861,468.80, 47,792,203.20 and 13,674,376.80

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Solution

The fourth proportional to 31,861,468.80, 47,792,203.20 and 13,674,376.80 is: 20,511,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861,468.80 : 47,792,203.20 = 13,674,376.80 : x
  2. Step 2: Convert to fraction form
    31,861,468.80/47,792,203.20 = 13,674,376.80/x
  3. Step 3: Cross multiply
    31,861,468.80x = 47,792,203.20 × 13,674,376.80
  4. Step 4: Simplify right side
    31,861,468.80x = 653,528,594,658,965.88
  5. Step 5: Solve for x
    x = 653,528,594,658,965.88/31,861,468.80
  6. Step 6: Final answer
    x = 20,511,565.20

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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.