Home / 12,874,561.56-17,767,015.20-7,073,463.60

Finding the Fourth Proportional to 12,874,561.56, 17,767,015.20 and 7,073,463.60

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Solution

The fourth proportional to 12,874,561.56, 17,767,015.20 and 7,073,463.60 is: 9,761,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874,561.56 : 17,767,015.20 = 7,073,463.60 : x
  2. Step 2: Convert to fraction form
    12,874,561.56/17,767,015.20 = 7,073,463.60/x
  3. Step 3: Cross multiply
    12,874,561.56x = 17,767,015.20 × 7,073,463.60
  4. Step 4: Simplify right side
    12,874,561.56x = 125,674,335,297,846.70
  5. Step 5: Solve for x
    x = 125,674,335,297,846.70/12,874,561.56
  6. Step 6: Final answer
    x = 9,761,445.83

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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.