Home / 6,385,123.20-9,578,145.60-3,855,331.20

Finding the Fourth Proportional to 6,385,123.20, 9,578,145.60 and 3,855,331.20

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Solution

The fourth proportional to 6,385,123.20, 9,578,145.60 and 3,855,331.20 is: 5,783,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,123.20 : 9,578,145.60 = 3,855,331.20 : x
  2. Step 2: Convert to fraction form
    6,385,123.20/9,578,145.60 = 3,855,331.20/x
  3. Step 3: Cross multiply
    6,385,123.20x = 9,578,145.60 × 3,855,331.20
  4. Step 4: Simplify right side
    6,385,123.20x = 36,926,923,569,822.72
  5. Step 5: Solve for x
    x = 36,926,923,569,822.72/6,385,123.20
  6. Step 6: Final answer
    x = 5,783,275.03

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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.