Home / 39,198,640.60-58,805,809.50-21,951,368.80

Finding the Fourth Proportional to 39,198,640.60, 58,805,809.50 and 21,951,368.80

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Solution

The fourth proportional to 39,198,640.60, 58,805,809.50 and 21,951,368.80 is: 32,931,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198,640.60 : 58,805,809.50 = 21,951,368.80 : x
  2. Step 2: Convert to fraction form
    39,198,640.60/58,805,809.50 = 21,951,368.80/x
  3. Step 3: Cross multiply
    39,198,640.60x = 58,805,809.50 × 21,951,368.80
  4. Step 4: Simplify right side
    39,198,640.60x = 1,290,868,011,917,043.75
  5. Step 5: Solve for x
    x = 1,290,868,011,917,043.75/39,198,640.60
  6. Step 6: Final answer
    x = 32,931,448.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.