Home / 9,138,820.74-12,617,306.91-5,881,296.66

Finding the Fourth Proportional to 9,138,820.74, 12,617,306.91 and 5,881,296.66

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Solution

The fourth proportional to 9,138,820.74, 12,617,306.91 and 5,881,296.66 is: 8,119,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,820.74 : 12,617,306.91 = 5,881,296.66 : x
  2. Step 2: Convert to fraction form
    9,138,820.74/12,617,306.91 = 5,881,296.66/x
  3. Step 3: Cross multiply
    9,138,820.74x = 12,617,306.91 × 5,881,296.66
  4. Step 4: Simplify right side
    9,138,820.74x = 74,206,124,987,977.92
  5. Step 5: Solve for x
    x = 74,206,124,987,977.92/9,138,820.74
  6. Step 6: Final answer
    x = 8,119,879.70

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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.