Home / 7,379,101.80-10,182,721.86-4,281,385.20

Finding the Fourth Proportional to 7,379,101.80, 10,182,721.86 and 4,281,385.20

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Solution

The fourth proportional to 7,379,101.80, 10,182,721.86 and 4,281,385.20 is: 5,908,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379,101.80 : 10,182,721.86 = 4,281,385.20 : x
  2. Step 2: Convert to fraction form
    7,379,101.80/10,182,721.86 = 4,281,385.20/x
  3. Step 3: Cross multiply
    7,379,101.80x = 10,182,721.86 × 4,281,385.20
  4. Step 4: Simplify right side
    7,379,101.80x = 43,596,154,667,120.47
  5. Step 5: Solve for x
    x = 43,596,154,667,120.47/7,379,101.80
  6. Step 6: Final answer
    x = 5,908,057.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.