Home / 9,291,253.30-13,936,879.95-7,378,065.70

Finding the Fourth Proportional to 9,291,253.30, 13,936,879.95 and 7,378,065.70

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Solution

The fourth proportional to 9,291,253.30, 13,936,879.95 and 7,378,065.70 is: 11,067,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,253.30 : 13,936,879.95 = 7,378,065.70 : x
  2. Step 2: Convert to fraction form
    9,291,253.30/13,936,879.95 = 7,378,065.70/x
  3. Step 3: Cross multiply
    9,291,253.30x = 13,936,879.95 × 7,378,065.70
  4. Step 4: Simplify right side
    9,291,253.30x = 102,827,215,924,112.72
  5. Step 5: Solve for x
    x = 102,827,215,924,112.72/9,291,253.30
  6. Step 6: Final answer
    x = 11,067,098.55

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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.