Home / 12,561,423.84-17,335,685.10-7,055,125.02

Finding the Fourth Proportional to 12,561,423.84, 17,335,685.10 and 7,055,125.02

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Solution

The fourth proportional to 12,561,423.84, 17,335,685.10 and 7,055,125.02 is: 9,736,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,423.84 : 17,335,685.10 = 7,055,125.02 : x
  2. Step 2: Convert to fraction form
    12,561,423.84/17,335,685.10 = 7,055,125.02/x
  3. Step 3: Cross multiply
    12,561,423.84x = 17,335,685.10 × 7,055,125.02
  4. Step 4: Simplify right side
    12,561,423.84x = 122,305,425,687,851.20
  5. Step 5: Solve for x
    x = 122,305,425,687,851.20/12,561,423.84
  6. Step 6: Final answer
    x = 9,736,589.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.