Home / 18,669,054.40-28,016,023.20-8,566,475.20

Finding the Fourth Proportional to 18,669,054.40, 28,016,023.20 and 8,566,475.20

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Solution

The fourth proportional to 18,669,054.40, 28,016,023.20 and 8,566,475.20 is: 12,855,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669,054.40 : 28,016,023.20 = 8,566,475.20 : x
  2. Step 2: Convert to fraction form
    18,669,054.40/28,016,023.20 = 8,566,475.20/x
  3. Step 3: Cross multiply
    18,669,054.40x = 28,016,023.20 × 8,566,475.20
  4. Step 4: Simplify right side
    18,669,054.40x = 239,998,567,945,424.62
  5. Step 5: Solve for x
    x = 239,998,567,945,424.62/18,669,054.40
  6. Step 6: Final answer
    x = 12,855,421.75

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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.