Home / 10,377,086.70-15,544,634.85-7,185,816.30

Finding the Fourth Proportional to 10,377,086.70, 15,544,634.85 and 7,185,816.30

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Solution

The fourth proportional to 10,377,086.70, 15,544,634.85 and 7,185,816.30 is: 10,764,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,086.70 : 15,544,634.85 = 7,185,816.30 : x
  2. Step 2: Convert to fraction form
    10,377,086.70/15,544,634.85 = 7,185,816.30/x
  3. Step 3: Cross multiply
    10,377,086.70x = 15,544,634.85 × 7,185,816.30
  4. Step 4: Simplify right side
    10,377,086.70x = 111,700,890,482,678.05
  5. Step 5: Solve for x
    x = 111,700,890,482,678.05/10,377,086.70
  6. Step 6: Final answer
    x = 10,764,185.91

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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.