Home / 12,391,595.70-18,582,277.23-5,381,167.20

Finding the Fourth Proportional to 12,391,595.70, 18,582,277.23 and 5,381,167.20

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Solution

The fourth proportional to 12,391,595.70, 18,582,277.23 and 5,381,167.20 is: 8,069,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,595.70 : 18,582,277.23 = 5,381,167.20 : x
  2. Step 2: Convert to fraction form
    12,391,595.70/18,582,277.23 = 5,381,167.20/x
  3. Step 3: Cross multiply
    12,391,595.70x = 18,582,277.23 × 5,381,167.20
  4. Step 4: Simplify right side
    12,391,595.70x = 99,994,340,731,382.86
  5. Step 5: Solve for x
    x = 99,994,340,731,382.86/12,391,595.70
  6. Step 6: Final answer
    x = 8,069,528.99

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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.