Home / 9,121,930.30-12,589,599.27-5,253,698.62

Finding the Fourth Proportional to 9,121,930.30, 12,589,599.27 and 5,253,698.62

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Solution

The fourth proportional to 9,121,930.30, 12,589,599.27 and 5,253,698.62 is: 7,250,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,930.30 : 12,589,599.27 = 5,253,698.62 : x
  2. Step 2: Convert to fraction form
    9,121,930.30/12,589,599.27 = 5,253,698.62/x
  3. Step 3: Cross multiply
    9,121,930.30x = 12,589,599.27 × 5,253,698.62
  4. Step 4: Simplify right side
    9,121,930.30x = 66,141,960,311,152.01
  5. Step 5: Solve for x
    x = 66,141,960,311,152.01/9,121,930.30
  6. Step 6: Final answer
    x = 7,250,873.24

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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.