Home / 10,013,431.20-15,013,510.48-3,622,851.96

Finding the Fourth Proportional to 10,013,431.20, 15,013,510.48 and 3,622,851.96

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Solution

The fourth proportional to 10,013,431.20, 15,013,510.48 and 3,622,851.96 is: 5,431,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013,431.20 : 15,013,510.48 = 3,622,851.96 : x
  2. Step 2: Convert to fraction form
    10,013,431.20/15,013,510.48 = 3,622,851.96/x
  3. Step 3: Cross multiply
    10,013,431.20x = 15,013,510.48 × 3,622,851.96
  4. Step 4: Simplify right side
    10,013,431.20x = 54,391,725,868,948.54
  5. Step 5: Solve for x
    x = 54,391,725,868,948.54/10,013,431.20
  6. Step 6: Final answer
    x = 5,431,876.92

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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.