Home / 38,387,261.80-57,580,892.97-12,828,271.24

Finding the Fourth Proportional to 38,387,261.80, 57,580,892.97 and 12,828,271.24

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Solution

The fourth proportional to 38,387,261.80, 57,580,892.97 and 12,828,271.24 is: 19,242,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387,261.80 : 57,580,892.97 = 12,828,271.24 : x
  2. Step 2: Convert to fraction form
    38,387,261.80/57,580,892.97 = 12,828,271.24/x
  3. Step 3: Cross multiply
    38,387,261.80x = 57,580,892.97 × 12,828,271.24
  4. Step 4: Simplify right side
    38,387,261.80x = 738,663,313,260,569.12
  5. Step 5: Solve for x
    x = 738,663,313,260,569.12/38,387,261.80
  6. Step 6: Final answer
    x = 19,242,406.95

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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.