Home / 20,413,423.90-30,632,951.67-8,282,936.80

Finding the Fourth Proportional to 20,413,423.90, 30,632,951.67 and 8,282,936.80

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Solution

The fourth proportional to 20,413,423.90, 30,632,951.67 and 8,282,936.80 is: 12,429,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413,423.90 : 30,632,951.67 = 8,282,936.80 : x
  2. Step 2: Convert to fraction form
    20,413,423.90/30,632,951.67 = 8,282,936.80/x
  3. Step 3: Cross multiply
    20,413,423.90x = 30,632,951.67 × 8,282,936.80
  4. Step 4: Simplify right side
    20,413,423.90x = 253,730,802,680,064.47
  5. Step 5: Solve for x
    x = 253,730,802,680,064.47/20,413,423.90
  6. Step 6: Final answer
    x = 12,429,605.34

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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.