Home / 18,146,919.68-27,225,693.92-5,367,764.72

Finding the Fourth Proportional to 18,146,919.68, 27,225,693.92 and 5,367,764.72

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Solution

The fourth proportional to 18,146,919.68, 27,225,693.92 and 5,367,764.72 is: 8,053,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,919.68 : 27,225,693.92 = 5,367,764.72 : x
  2. Step 2: Convert to fraction form
    18,146,919.68/27,225,693.92 = 5,367,764.72/x
  3. Step 3: Cross multiply
    18,146,919.68x = 27,225,693.92 × 5,367,764.72
  4. Step 4: Simplify right side
    18,146,919.68x = 146,141,119,301,294.50
  5. Step 5: Solve for x
    x = 146,141,119,301,294.50/18,146,919.68
  6. Step 6: Final answer
    x = 8,053,219.05

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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.