Home / 38,986,445.60-58,488,999.60-19,820,160.80

Finding the Fourth Proportional to 38,986,445.60, 58,488,999.60 and 19,820,160.80

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Solution

The fourth proportional to 38,986,445.60, 58,488,999.60 and 19,820,160.80 is: 29,734,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,445.60 : 58,488,999.60 = 19,820,160.80 : x
  2. Step 2: Convert to fraction form
    38,986,445.60/58,488,999.60 = 19,820,160.80/x
  3. Step 3: Cross multiply
    38,986,445.60x = 58,488,999.60 × 19,820,160.80
  4. Step 4: Simplify right side
    38,986,445.60x = 1,159,261,377,103,135.75
  5. Step 5: Solve for x
    x = 1,159,261,377,103,135.75/38,986,445.60
  6. Step 6: Final answer
    x = 29,734,985.05

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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.