Home / 31,920,391.98-47,887,320.30-10,353,318.82

Finding the Fourth Proportional to 31,920,391.98, 47,887,320.30 and 10,353,318.82

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Solution

The fourth proportional to 31,920,391.98, 47,887,320.30 and 10,353,318.82 is: 15,532,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,391.98 : 47,887,320.30 = 10,353,318.82 : x
  2. Step 2: Convert to fraction form
    31,920,391.98/47,887,320.30 = 10,353,318.82/x
  3. Step 3: Cross multiply
    31,920,391.98x = 47,887,320.30 × 10,353,318.82
  4. Step 4: Simplify right side
    31,920,391.98x = 495,792,694,501,358
  5. Step 5: Solve for x
    x = 495,792,694,501,358/31,920,391.98
  6. Step 6: Final answer
    x = 15,532,161.85

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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.