Home / 11,691,680.16-16,126,916.22-7,498,723.66

Finding the Fourth Proportional to 11,691,680.16, 16,126,916.22 and 7,498,723.66

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Solution

The fourth proportional to 11,691,680.16, 16,126,916.22 and 7,498,723.66 is: 10,343,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,680.16 : 16,126,916.22 = 7,498,723.66 : x
  2. Step 2: Convert to fraction form
    11,691,680.16/16,126,916.22 = 7,498,723.66/x
  3. Step 3: Cross multiply
    11,691,680.16x = 16,126,916.22 × 7,498,723.66
  4. Step 4: Simplify right side
    11,691,680.16x = 120,931,288,221,751.77
  5. Step 5: Solve for x
    x = 120,931,288,221,751.77/11,691,680.16
  6. Step 6: Final answer
    x = 10,343,362.68

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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.