Home / 20,124,467.39-30,189,877.28-8,610,009.27

Finding the Fourth Proportional to 20,124,467.39, 30,189,877.28 and 8,610,009.27

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Solution

The fourth proportional to 20,124,467.39, 30,189,877.28 and 8,610,009.27 is: 12,916,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124,467.39 : 30,189,877.28 = 8,610,009.27 : x
  2. Step 2: Convert to fraction form
    20,124,467.39/30,189,877.28 = 8,610,009.27/x
  3. Step 3: Cross multiply
    20,124,467.39x = 30,189,877.28 × 8,610,009.27
  4. Step 4: Simplify right side
    20,124,467.39x = 259,935,123,241,308.91
  5. Step 5: Solve for x
    x = 259,935,123,241,308.91/20,124,467.39
  6. Step 6: Final answer
    x = 12,916,372.80

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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.