Home / 31,398,046.98-47,099,312.48-8,368,860.86

Finding the Fourth Proportional to 31,398,046.98, 47,099,312.48 and 8,368,860.86

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Solution

The fourth proportional to 31,398,046.98, 47,099,312.48 and 8,368,860.86 is: 12,553,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398,046.98 : 47,099,312.48 = 8,368,860.86 : x
  2. Step 2: Convert to fraction form
    31,398,046.98/47,099,312.48 = 8,368,860.86/x
  3. Step 3: Cross multiply
    31,398,046.98x = 47,099,312.48 × 8,368,860.86
  4. Step 4: Simplify right side
    31,398,046.98x = 394,167,592,746,781.50
  5. Step 5: Solve for x
    x = 394,167,592,746,781.50/31,398,046.98
  6. Step 6: Final answer
    x = 12,553,888.88

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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.