Home / 7,138,352.74-10,694,538.32-6,373,077.70

Finding the Fourth Proportional to 7,138,352.74, 10,694,538.32 and 6,373,077.70

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Solution

The fourth proportional to 7,138,352.74, 10,694,538.32 and 6,373,077.70 is: 9,548,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,352.74 : 10,694,538.32 = 6,373,077.70 : x
  2. Step 2: Convert to fraction form
    7,138,352.74/10,694,538.32 = 6,373,077.70/x
  3. Step 3: Cross multiply
    7,138,352.74x = 10,694,538.32 × 6,373,077.70
  4. Step 4: Simplify right side
    7,138,352.74x = 68,157,123,678,987.47
  5. Step 5: Solve for x
    x = 68,157,123,678,987.47/7,138,352.74
  6. Step 6: Final answer
    x = 9,548,018.45

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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.