Home / 12,191,899.92-18,275,048.17-4,102,066.98

Finding the Fourth Proportional to 12,191,899.92, 18,275,048.17 and 4,102,066.98

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Solution

The fourth proportional to 12,191,899.92, 18,275,048.17 and 4,102,066.98 is: 6,148,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,899.92 : 18,275,048.17 = 4,102,066.98 : x
  2. Step 2: Convert to fraction form
    12,191,899.92/18,275,048.17 = 4,102,066.98/x
  3. Step 3: Cross multiply
    12,191,899.92x = 18,275,048.17 × 4,102,066.98
  4. Step 4: Simplify right side
    12,191,899.92x = 74,965,471,588,641.08
  5. Step 5: Solve for x
    x = 74,965,471,588,641.08/12,191,899.92
  6. Step 6: Final answer
    x = 6,148,793.22

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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.