Home / 13,341,956.31-18,413,874.18-8,447,632.56

Finding the Fourth Proportional to 13,341,956.31, 18,413,874.18 and 8,447,632.56

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Solution

The fourth proportional to 13,341,956.31, 18,413,874.18 and 8,447,632.56 is: 11,658,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,956.31 : 18,413,874.18 = 8,447,632.56 : x
  2. Step 2: Convert to fraction form
    13,341,956.31/18,413,874.18 = 8,447,632.56/x
  3. Step 3: Cross multiply
    13,341,956.31x = 18,413,874.18 × 8,447,632.56
  4. Step 4: Simplify right side
    13,341,956.31x = 155,553,643,078,711.31
  5. Step 5: Solve for x
    x = 155,553,643,078,711.31/13,341,956.31
  6. Step 6: Final answer
    x = 11,658,983.10

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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.