Home / 10,782,793.50-14,868,124.47-8,816,536.86

Finding the Fourth Proportional to 10,782,793.50, 14,868,124.47 and 8,816,536.86

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Solution

The fourth proportional to 10,782,793.50, 14,868,124.47 and 8,816,536.86 is: 12,156,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,793.50 : 14,868,124.47 = 8,816,536.86 : x
  2. Step 2: Convert to fraction form
    10,782,793.50/14,868,124.47 = 8,816,536.86/x
  3. Step 3: Cross multiply
    10,782,793.50x = 14,868,124.47 × 8,816,536.86
  4. Step 4: Simplify right side
    10,782,793.50x = 131,085,367,428,822.97
  5. Step 5: Solve for x
    x = 131,085,367,428,822.97/10,782,793.50
  6. Step 6: Final answer
    x = 12,156,902.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.