Home / 13,364,819.92-18,443,461.08-7,253,248.42

Finding the Fourth Proportional to 13,364,819.92, 18,443,461.08 and 7,253,248.42

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Solution

The fourth proportional to 13,364,819.92, 18,443,461.08 and 7,253,248.42 is: 10,009,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364,819.92 : 18,443,461.08 = 7,253,248.42 : x
  2. Step 2: Convert to fraction form
    13,364,819.92/18,443,461.08 = 7,253,248.42/x
  3. Step 3: Cross multiply
    13,364,819.92x = 18,443,461.08 × 7,253,248.42
  4. Step 4: Simplify right side
    13,364,819.92x = 133,775,004,937,841.48
  5. Step 5: Solve for x
    x = 133,775,004,937,841.48/13,364,819.92
  6. Step 6: Final answer
    x = 10,009,488.02

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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.