Home / 10,894,586.68-15,023,379.18-7,222,225.72

Finding the Fourth Proportional to 10,894,586.68, 15,023,379.18 and 7,222,225.72

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Solution

The fourth proportional to 10,894,586.68, 15,023,379.18 and 7,222,225.72 is: 9,959,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894,586.68 : 15,023,379.18 = 7,222,225.72 : x
  2. Step 2: Convert to fraction form
    10,894,586.68/15,023,379.18 = 7,222,225.72/x
  3. Step 3: Cross multiply
    10,894,586.68x = 15,023,379.18 × 7,222,225.72
  4. Step 4: Simplify right side
    10,894,586.68x = 108,502,235,515,108.50
  5. Step 5: Solve for x
    x = 108,502,235,515,108.50/10,894,586.68
  6. Step 6: Final answer
    x = 9,959,279.66

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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.