Home / 38,643,893.20-57,972,838.20-19,426,286.80

Finding the Fourth Proportional to 38,643,893.20, 57,972,838.20 and 19,426,286.80

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Solution

The fourth proportional to 38,643,893.20, 57,972,838.20 and 19,426,286.80 is: 29,142,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643,893.20 : 57,972,838.20 = 19,426,286.80 : x
  2. Step 2: Convert to fraction form
    38,643,893.20/57,972,838.20 = 19,426,286.80/x
  3. Step 3: Cross multiply
    38,643,893.20x = 57,972,838.20 × 19,426,286.80
  4. Step 4: Simplify right side
    38,643,893.20x = 1,126,196,981,483,195.75
  5. Step 5: Solve for x
    x = 1,126,196,981,483,195.75/38,643,893.20
  6. Step 6: Final answer
    x = 29,142,948.30

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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.