Home / 7,241,605.20-10,862,407.80-7,129,630.80

Finding the Fourth Proportional to 7,241,605.20, 10,862,407.80 and 7,129,630.80

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Solution

The fourth proportional to 7,241,605.20, 10,862,407.80 and 7,129,630.80 is: 10,694,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,605.20 : 10,862,407.80 = 7,129,630.80 : x
  2. Step 2: Convert to fraction form
    7,241,605.20/10,862,407.80 = 7,129,630.80/x
  3. Step 3: Cross multiply
    7,241,605.20x = 10,862,407.80 × 7,129,630.80
  4. Step 4: Simplify right side
    7,241,605.20x = 77,444,957,213,040.25
  5. Step 5: Solve for x
    x = 77,444,957,213,040.25/7,241,605.20
  6. Step 6: Final answer
    x = 10,694,446.20

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1.5x scale

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.