Home / 8,569,131.86-12,853,642.30-2,179,329.01

Finding the Fourth Proportional to 8,569,131.86, 12,853,642.30 and 2,179,329.01

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Solution

The fourth proportional to 8,569,131.86, 12,853,642.30 and 2,179,329.01 is: 3,268,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569,131.86 : 12,853,642.30 = 2,179,329.01 : x
  2. Step 2: Convert to fraction form
    8,569,131.86/12,853,642.30 = 2,179,329.01/x
  3. Step 3: Cross multiply
    8,569,131.86x = 12,853,642.30 × 2,179,329.01
  4. Step 4: Simplify right side
    8,569,131.86x = 28,012,315,548,553.12
  5. Step 5: Solve for x
    x = 28,012,315,548,553.12/8,569,131.86
  6. Step 6: Final answer
    x = 3,268,979.40

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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.