Home / 12,755,563.20-19,133,344.80-12,202,689.60

Finding the Fourth Proportional to 12,755,563.20, 19,133,344.80 and 12,202,689.60

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Solution

The fourth proportional to 12,755,563.20, 19,133,344.80 and 12,202,689.60 is: 18,304,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,563.20 : 19,133,344.80 = 12,202,689.60 : x
  2. Step 2: Convert to fraction form
    12,755,563.20/19,133,344.80 = 12,202,689.60/x
  3. Step 3: Cross multiply
    12,755,563.20x = 19,133,344.80 × 12,202,689.60
  4. Step 4: Simplify right side
    12,755,563.20x = 233,478,267,604,174.09
  5. Step 5: Solve for x
    x = 233,478,267,604,174.09/12,755,563.20
  6. Step 6: Final answer
    x = 18,304,034.40

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Similar ratio
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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.