Home / 38,653,541.20-57,987,310.20-19,435,934.80

Finding the Fourth Proportional to 38,653,541.20, 57,987,310.20 and 19,435,934.80

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Solution

The fourth proportional to 38,653,541.20, 57,987,310.20 and 19,435,934.80 is: 29,157,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653,541.20 : 57,987,310.20 = 19,435,934.80 : x
  2. Step 2: Convert to fraction form
    38,653,541.20/57,987,310.20 = 19,435,934.80/x
  3. Step 3: Cross multiply
    38,653,541.20x = 57,987,310.20 × 19,435,934.80
  4. Step 4: Simplify right side
    38,653,541.20x = 1,127,037,580,274,575
  5. Step 5: Solve for x
    x = 1,127,037,580,274,575/38,653,541.20
  6. Step 6: Final answer
    x = 29,157,421.16

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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.