Home / 10,782,793-14,868,123.78-8,816,536.36

Finding the Fourth Proportional to 10,782,793, 14,868,123.78 and 8,816,536.36

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Solution

The fourth proportional to 10,782,793, 14,868,123.78 and 8,816,536.36 is: 12,156,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,793 : 14,868,123.78 = 8,816,536.36 : x
  2. Step 2: Convert to fraction form
    10,782,793/14,868,123.78 = 8,816,536.36/x
  3. Step 3: Cross multiply
    10,782,793x = 14,868,123.78 × 8,816,536.36
  4. Step 4: Simplify right side
    10,782,793x = 131,085,353,911,350.62
  5. Step 5: Solve for x
    x = 131,085,353,911,350.62/10,782,793
  6. Step 6: Final answer
    x = 12,156,901.64

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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.