Home / 31,921,545.40-47,888,538.90-12,749,039.80

Finding the Fourth Proportional to 31,921,545.40, 47,888,538.90 and 12,749,039.80

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Solution

The fourth proportional to 31,921,545.40, 47,888,538.90 and 12,749,039.80 is: 19,126,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921,545.40 : 47,888,538.90 = 12,749,039.80 : x
  2. Step 2: Convert to fraction form
    31,921,545.40/47,888,538.90 = 12,749,039.80/x
  3. Step 3: Cross multiply
    31,921,545.40x = 47,888,538.90 × 12,749,039.80
  4. Step 4: Simplify right side
    31,921,545.40x = 610,532,888,399,948.25
  5. Step 5: Solve for x
    x = 610,532,888,399,948.25/31,921,545.40
  6. Step 6: Final answer
    x = 19,126,044.20

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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.