Home / 38,223,876.20-57,352,403.10-19,312,644.20

Finding the Fourth Proportional to 38,223,876.20, 57,352,403.10 and 19,312,644.20

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Solution

The fourth proportional to 38,223,876.20, 57,352,403.10 and 19,312,644.20 is: 28,977,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,223,876.20 : 57,352,403.10 = 19,312,644.20 : x
  2. Step 2: Convert to fraction form
    38,223,876.20/57,352,403.10 = 19,312,644.20/x
  3. Step 3: Cross multiply
    38,223,876.20x = 57,352,403.10 × 19,312,644.20
  4. Step 4: Simplify right side
    38,223,876.20x = 1,107,626,555,085,277
  5. Step 5: Solve for x
    x = 1,107,626,555,085,277/38,223,876.20
  6. Step 6: Final answer
    x = 28,977,347.80

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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.