Home / 12,387,528.40-18,581,292.60-8,082,856.30

Finding the Fourth Proportional to 12,387,528.40, 18,581,292.60 and 8,082,856.30

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Solution

The fourth proportional to 12,387,528.40, 18,581,292.60 and 8,082,856.30 is: 12,124,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,528.40 : 18,581,292.60 = 8,082,856.30 : x
  2. Step 2: Convert to fraction form
    12,387,528.40/18,581,292.60 = 8,082,856.30/x
  3. Step 3: Cross multiply
    12,387,528.40x = 18,581,292.60 × 8,082,856.30
  4. Step 4: Simplify right side
    12,387,528.40x = 150,189,917,954,053.38
  5. Step 5: Solve for x
    x = 150,189,917,954,053.38/12,387,528.40
  6. Step 6: Final answer
    x = 12,124,284.45

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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.