Home / 31,839,838.77-47,759,728.98-9,980,375.25

Finding the Fourth Proportional to 31,839,838.77, 47,759,728.98 and 9,980,375.25

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Solution

The fourth proportional to 31,839,838.77, 47,759,728.98 and 9,980,375.25 is: 14,970,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,839,838.77 : 47,759,728.98 = 9,980,375.25 : x
  2. Step 2: Convert to fraction form
    31,839,838.77/47,759,728.98 = 9,980,375.25/x
  3. Step 3: Cross multiply
    31,839,838.77x = 47,759,728.98 × 9,980,375.25
  4. Step 4: Simplify right side
    31,839,838.77x = 476,660,017,058,699.69
  5. Step 5: Solve for x
    x = 476,660,017,058,699.69/31,839,838.77
  6. Step 6: Final answer
    x = 14,970,553.73

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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.