Home / 13,541,442.58-18,687,188.73-7,740,348.88

Finding the Fourth Proportional to 13,541,442.58, 18,687,188.73 and 7,740,348.88

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Solution

The fourth proportional to 13,541,442.58, 18,687,188.73 and 7,740,348.88 is: 10,681,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,442.58 : 18,687,188.73 = 7,740,348.88 : x
  2. Step 2: Convert to fraction form
    13,541,442.58/18,687,188.73 = 7,740,348.88/x
  3. Step 3: Cross multiply
    13,541,442.58x = 18,687,188.73 × 7,740,348.88
  4. Step 4: Simplify right side
    13,541,442.58x = 144,645,360,356,604.12
  5. Step 5: Solve for x
    x = 144,645,360,356,604.12/13,541,442.58
  6. Step 6: Final answer
    x = 10,681,680.29

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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.