Home / 12,309,253.20-16,986,822.11-6,727,612.45

Finding the Fourth Proportional to 12,309,253.20, 16,986,822.11 and 6,727,612.45

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Solution

The fourth proportional to 12,309,253.20, 16,986,822.11 and 6,727,612.45 is: 9,284,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,253.20 : 16,986,822.11 = 6,727,612.45 : x
  2. Step 2: Convert to fraction form
    12,309,253.20/16,986,822.11 = 6,727,612.45/x
  3. Step 3: Cross multiply
    12,309,253.20x = 16,986,822.11 × 6,727,612.45
  4. Step 4: Simplify right side
    12,309,253.20x = 114,280,755,913,171.27
  5. Step 5: Solve for x
    x = 114,280,755,913,171.27/12,309,253.20
  6. Step 6: Final answer
    x = 9,284,133.98

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1.5x scale

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.