Home / 8,921,288.70-12,311,465.13-5,053,727.16

Finding the Fourth Proportional to 8,921,288.70, 12,311,465.13 and 5,053,727.16

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Solution

The fourth proportional to 8,921,288.70, 12,311,465.13 and 5,053,727.16 is: 6,974,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,288.70 : 12,311,465.13 = 5,053,727.16 : x
  2. Step 2: Convert to fraction form
    8,921,288.70/12,311,465.13 = 5,053,727.16/x
  3. Step 3: Cross multiply
    8,921,288.70x = 12,311,465.13 × 5,053,727.16
  4. Step 4: Simplify right side
    8,921,288.70x = 62,218,785,706,873.94
  5. Step 5: Solve for x
    x = 62,218,785,706,873.94/8,921,288.70
  6. Step 6: Final answer
    x = 6,974,192.61

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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.