Home / 10,328,204.77-15,491,746.72-3,139,178.12

Finding the Fourth Proportional to 10,328,204.77, 15,491,746.72 and 3,139,178.12

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Solution

The fourth proportional to 10,328,204.77, 15,491,746.72 and 3,139,178.12 is: 4,708,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,204.77 : 15,491,746.72 = 3,139,178.12 : x
  2. Step 2: Convert to fraction form
    10,328,204.77/15,491,746.72 = 3,139,178.12/x
  3. Step 3: Cross multiply
    10,328,204.77x = 15,491,746.72 × 3,139,178.12
  4. Step 4: Simplify right side
    10,328,204.77x = 48,631,352,328,565.05
  5. Step 5: Solve for x
    x = 48,631,352,328,565.05/10,328,204.77
  6. Step 6: Final answer
    x = 4,708,596.84

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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.