Home / 36,187,832.80-54,281,749.20-19,181,720.80

Finding the Fourth Proportional to 36,187,832.80, 54,281,749.20 and 19,181,720.80

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Solution

The fourth proportional to 36,187,832.80, 54,281,749.20 and 19,181,720.80 is: 28,772,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187,832.80 : 54,281,749.20 = 19,181,720.80 : x
  2. Step 2: Convert to fraction form
    36,187,832.80/54,281,749.20 = 19,181,720.80/x
  3. Step 3: Cross multiply
    36,187,832.80x = 54,281,749.20 × 19,181,720.80
  4. Step 4: Simplify right side
    36,187,832.80x = 1,041,217,357,690,023.50
  5. Step 5: Solve for x
    x = 1,041,217,357,690,023.50/36,187,832.80
  6. Step 6: Final answer
    x = 28,772,581.20

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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.