Home / 13,756,862.70-20,632,669.65-4,172,553.90

Finding the Fourth Proportional to 13,756,862.70, 20,632,669.65 and 4,172,553.90

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Solution

The fourth proportional to 13,756,862.70, 20,632,669.65 and 4,172,553.90 is: 6,258,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756,862.70 : 20,632,669.65 = 4,172,553.90 : x
  2. Step 2: Convert to fraction form
    13,756,862.70/20,632,669.65 = 4,172,553.90/x
  3. Step 3: Cross multiply
    13,756,862.70x = 20,632,669.65 × 4,172,553.90
  4. Step 4: Simplify right side
    13,756,862.70x = 86,090,926,215,519.12
  5. Step 5: Solve for x
    x = 86,090,926,215,519.12/13,756,862.70
  6. Step 6: Final answer
    x = 6,258,034.85

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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.