Home / 15,013,352.70-22,520,027.22-12,985,569.96

Finding the Fourth Proportional to 15,013,352.70, 22,520,027.22 and 12,985,569.96

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Solution

The fourth proportional to 15,013,352.70, 22,520,027.22 and 12,985,569.96 is: 19,478,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,352.70 : 22,520,027.22 = 12,985,569.96 : x
  2. Step 2: Convert to fraction form
    15,013,352.70/22,520,027.22 = 12,985,569.96/x
  3. Step 3: Cross multiply
    15,013,352.70x = 22,520,027.22 × 12,985,569.96
  4. Step 4: Simplify right side
    15,013,352.70x = 292,435,388,966,414.31
  5. Step 5: Solve for x
    x = 292,435,388,966,414.31/15,013,352.70
  6. Step 6: Final answer
    x = 19,478,353.36

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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.