Home / 9,356,278.74-12,912,785.01-5,685,795.06

Finding the Fourth Proportional to 9,356,278.74, 12,912,785.01 and 5,685,795.06

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Solution

The fourth proportional to 9,356,278.74, 12,912,785.01 and 5,685,795.06 is: 7,847,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356,278.74 : 12,912,785.01 = 5,685,795.06 : x
  2. Step 2: Convert to fraction form
    9,356,278.74/12,912,785.01 = 5,685,795.06/x
  3. Step 3: Cross multiply
    9,356,278.74x = 12,912,785.01 × 5,685,795.06
  4. Step 4: Simplify right side
    9,356,278.74x = 73,419,449,220,700.05
  5. Step 5: Solve for x
    x = 73,419,449,220,700.05/9,356,278.74
  6. Step 6: Final answer
    x = 7,847,078.02

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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.