Home / 13,741,510.80-20,620,139.40-5,227,957.20

Finding the Fourth Proportional to 13,741,510.80, 20,620,139.40 and 5,227,957.20

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Solution

The fourth proportional to 13,741,510.80, 20,620,139.40 and 5,227,957.20 is: 7,844,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,510.80 : 20,620,139.40 = 5,227,957.20 : x
  2. Step 2: Convert to fraction form
    13,741,510.80/20,620,139.40 = 5,227,957.20/x
  3. Step 3: Cross multiply
    13,741,510.80x = 20,620,139.40 × 5,227,957.20
  4. Step 4: Simplify right side
    13,741,510.80x = 107,801,206,241,233.67
  5. Step 5: Solve for x
    x = 107,801,206,241,233.67/13,741,510.80
  6. Step 6: Final answer
    x = 7,844,931.16

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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.