Home / 7,241,661.20-10,862,491.80-7,129,686.80

Finding the Fourth Proportional to 7,241,661.20, 10,862,491.80 and 7,129,686.80

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Solution

The fourth proportional to 7,241,661.20, 10,862,491.80 and 7,129,686.80 is: 10,694,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,661.20 : 10,862,491.80 = 7,129,686.80 : x
  2. Step 2: Convert to fraction form
    7,241,661.20/10,862,491.80 = 7,129,686.80/x
  3. Step 3: Cross multiply
    7,241,661.20x = 10,862,491.80 × 7,129,686.80
  4. Step 4: Simplify right side
    7,241,661.20x = 77,446,164,401,568.25
  5. Step 5: Solve for x
    x = 77,446,164,401,568.25/7,241,661.20
  6. Step 6: Final answer
    x = 10,694,530.20

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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.