Home / 22,471,568.92-31,010,544.66-12,158,065.72

Finding the Fourth Proportional to 22,471,568.92, 31,010,544.66 and 12,158,065.72

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Solution

The fourth proportional to 22,471,568.92, 31,010,544.66 and 12,158,065.72 is: 16,778,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,568.92 : 31,010,544.66 = 12,158,065.72 : x
  2. Step 2: Convert to fraction form
    22,471,568.92/31,010,544.66 = 12,158,065.72/x
  3. Step 3: Cross multiply
    22,471,568.92x = 31,010,544.66 × 12,158,065.72
  4. Step 4: Simplify right side
    22,471,568.92x = 377,028,239,989,275.06
  5. Step 5: Solve for x
    x = 377,028,239,989,275.06/22,471,568.92
  6. Step 6: Final answer
    x = 16,778,011.42

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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.