Home / 15,582,333.22-21,503,727.96-8,707,105.06

Finding the Fourth Proportional to 15,582,333.22, 21,503,727.96 and 8,707,105.06

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Solution

The fourth proportional to 15,582,333.22, 21,503,727.96 and 8,707,105.06 is: 12,015,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582,333.22 : 21,503,727.96 = 8,707,105.06 : x
  2. Step 2: Convert to fraction form
    15,582,333.22/21,503,727.96 = 8,707,105.06/x
  3. Step 3: Cross multiply
    15,582,333.22x = 21,503,727.96 × 8,707,105.06
  4. Step 4: Simplify right side
    15,582,333.22x = 187,235,218,529,379.50
  5. Step 5: Solve for x
    x = 187,235,218,529,379.50/15,582,333.22
  6. Step 6: Final answer
    x = 12,015,865.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.