Home / 38,785,875.60-53,524,920.83-21,382,843.62

Finding the Fourth Proportional to 38,785,875.60, 53,524,920.83 and 21,382,843.62

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Solution

The fourth proportional to 38,785,875.60, 53,524,920.83 and 21,382,843.62 is: 29,508,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785,875.60 : 53,524,920.83 = 21,382,843.62 : x
  2. Step 2: Convert to fraction form
    38,785,875.60/53,524,920.83 = 21,382,843.62/x
  3. Step 3: Cross multiply
    38,785,875.60x = 53,524,920.83 × 21,382,843.62
  4. Step 4: Simplify right side
    38,785,875.60x = 1,144,515,011,880,770.50
  5. Step 5: Solve for x
    x = 1,144,515,011,880,770.50/38,785,875.60
  6. Step 6: Final answer
    x = 29,508,551.61

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1.5x scale

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.