Home / 13,655,191.92-20,485,740.33-7,264,515.48

Finding the Fourth Proportional to 13,655,191.92, 20,485,740.33 and 7,264,515.48

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Solution

The fourth proportional to 13,655,191.92, 20,485,740.33 and 7,264,515.48 is: 10,898,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,191.92 : 20,485,740.33 = 7,264,515.48 : x
  2. Step 2: Convert to fraction form
    13,655,191.92/20,485,740.33 = 7,264,515.48/x
  3. Step 3: Cross multiply
    13,655,191.92x = 20,485,740.33 × 7,264,515.48
  4. Step 4: Simplify right side
    13,655,191.92x = 148,818,977,746,545.31
  5. Step 5: Solve for x
    x = 148,818,977,746,545.31/13,655,191.92
  6. Step 6: Final answer
    x = 10,898,343.91

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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.