Home / 18,148,471.06-25,046,654.98-13,556,820.82

Finding the Fourth Proportional to 18,148,471.06, 25,046,654.98 and 13,556,820.82

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Solution

The fourth proportional to 18,148,471.06, 25,046,654.98 and 13,556,820.82 is: 18,709,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,471.06 : 25,046,654.98 = 13,556,820.82 : x
  2. Step 2: Convert to fraction form
    18,148,471.06/25,046,654.98 = 13,556,820.82/x
  3. Step 3: Cross multiply
    18,148,471.06x = 25,046,654.98 × 13,556,820.82
  4. Step 4: Simplify right side
    18,148,471.06x = 339,553,013,704,220.69
  5. Step 5: Solve for x
    x = 339,553,013,704,220.69/18,148,471.06
  6. Step 6: Final answer
    x = 18,709,731.12

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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.