Home / 6,385,129.20-9,578,154.60-3,855,337.20

Finding the Fourth Proportional to 6,385,129.20, 9,578,154.60 and 3,855,337.20

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Solution

The fourth proportional to 6,385,129.20, 9,578,154.60 and 3,855,337.20 is: 5,783,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,129.20 : 9,578,154.60 = 3,855,337.20 : x
  2. Step 2: Convert to fraction form
    6,385,129.20/9,578,154.60 = 3,855,337.20/x
  3. Step 3: Cross multiply
    6,385,129.20x = 9,578,154.60 × 3,855,337.20
  4. Step 4: Simplify right side
    6,385,129.20x = 36,927,015,736,731.12
  5. Step 5: Solve for x
    x = 36,927,015,736,731.12/6,385,129.20
  6. Step 6: Final answer
    x = 5,783,284.03

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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.