Home / 38,785,869.83-53,524,912.79-21,382,837.79

Finding the Fourth Proportional to 38,785,869.83, 53,524,912.79 and 21,382,837.79

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Solution

The fourth proportional to 38,785,869.83, 53,524,912.79 and 21,382,837.79 is: 29,508,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785,869.83 : 53,524,912.79 = 21,382,837.79 : x
  2. Step 2: Convert to fraction form
    38,785,869.83/53,524,912.79 = 21,382,837.79/x
  3. Step 3: Cross multiply
    38,785,869.83x = 53,524,912.79 × 21,382,837.79
  4. Step 4: Simplify right side
    38,785,869.83x = 1,144,514,527,698,298.75
  5. Step 5: Solve for x
    x = 1,144,514,527,698,298.75/38,785,869.83
  6. Step 6: Final answer
    x = 29,508,543.51

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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.