Home / 31,432,641.20-47,148,961.80-27,653,505.20

Finding the Fourth Proportional to 31,432,641.20, 47,148,961.80 and 27,653,505.20

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Solution

The fourth proportional to 31,432,641.20, 47,148,961.80 and 27,653,505.20 is: 41,480,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432,641.20 : 47,148,961.80 = 27,653,505.20 : x
  2. Step 2: Convert to fraction form
    31,432,641.20/47,148,961.80 = 27,653,505.20/x
  3. Step 3: Cross multiply
    31,432,641.20x = 47,148,961.80 × 27,653,505.20
  4. Step 4: Simplify right side
    31,432,641.20x = 1,303,834,060,310,901.25
  5. Step 5: Solve for x
    x = 1,303,834,060,310,901.25/31,432,641.20
  6. Step 6: Final answer
    x = 41,480,257.80

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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.