Home / 7,387,876.80-11,081,815.20-4,538,750.40

Finding the Fourth Proportional to 7,387,876.80, 11,081,815.20 and 4,538,750.40

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Solution

The fourth proportional to 7,387,876.80, 11,081,815.20 and 4,538,750.40 is: 6,808,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,876.80 : 11,081,815.20 = 4,538,750.40 : x
  2. Step 2: Convert to fraction form
    7,387,876.80/11,081,815.20 = 4,538,750.40/x
  3. Step 3: Cross multiply
    7,387,876.80x = 11,081,815.20 × 4,538,750.40
  4. Step 4: Simplify right side
    7,387,876.80x = 50,297,593,171,726.08
  5. Step 5: Solve for x
    x = 50,297,593,171,726.08/7,387,876.80
  6. Step 6: Final answer
    x = 6,808,125.60

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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.