Home / 13,471,013.54-20,219,295.20-8,337,916.32

Finding the Fourth Proportional to 13,471,013.54, 20,219,295.20 and 8,337,916.32

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Solution

The fourth proportional to 13,471,013.54, 20,219,295.20 and 8,337,916.32 is: 12,514,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,013.54 : 20,219,295.20 = 8,337,916.32 : x
  2. Step 2: Convert to fraction form
    13,471,013.54/20,219,295.20 = 8,337,916.32/x
  3. Step 3: Cross multiply
    13,471,013.54x = 20,219,295.20 × 8,337,916.32
  4. Step 4: Simplify right side
    13,471,013.54x = 168,586,791,426,977.66
  5. Step 5: Solve for x
    x = 168,586,791,426,977.66/13,471,013.54
  6. Step 6: Final answer
    x = 12,514,781.53

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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.