Home / 31,542,886.60-47,314,329.90-13,591,990.60

Finding the Fourth Proportional to 31,542,886.60, 47,314,329.90 and 13,591,990.60

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Solution

The fourth proportional to 31,542,886.60, 47,314,329.90 and 13,591,990.60 is: 20,387,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542,886.60 : 47,314,329.90 = 13,591,990.60 : x
  2. Step 2: Convert to fraction form
    31,542,886.60/47,314,329.90 = 13,591,990.60/x
  3. Step 3: Cross multiply
    31,542,886.60x = 47,314,329.90 × 13,591,990.60
  4. Step 4: Simplify right side
    31,542,886.60x = 643,095,927,246,098.88
  5. Step 5: Solve for x
    x = 643,095,927,246,098.88/31,542,886.60
  6. Step 6: Final answer
    x = 20,387,985.90

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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.