Home / 20,573,123.76-30,857,520.60-8,443,869.84

Finding the Fourth Proportional to 20,573,123.76, 30,857,520.60 and 8,443,869.84

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Solution

The fourth proportional to 20,573,123.76, 30,857,520.60 and 8,443,869.84 is: 12,664,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573,123.76 : 30,857,520.60 = 8,443,869.84 : x
  2. Step 2: Convert to fraction form
    20,573,123.76/30,857,520.60 = 8,443,869.84/x
  3. Step 3: Cross multiply
    20,573,123.76x = 30,857,520.60 × 8,443,869.84
  4. Step 4: Simplify right side
    20,573,123.76x = 260,556,887,531,518.72
  5. Step 5: Solve for x
    x = 260,556,887,531,518.72/20,573,123.76
  6. Step 6: Final answer
    x = 12,664,916.16

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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.