Home / 14,979,669.20-20,592,589.38-12,878,771.91

Finding the Fourth Proportional to 14,979,669.20, 20,592,589.38 and 12,878,771.91

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Solution

The fourth proportional to 14,979,669.20, 20,592,589.38 and 12,878,771.91 is: 17,704,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979,669.20 : 20,592,589.38 = 12,878,771.91 : x
  2. Step 2: Convert to fraction form
    14,979,669.20/20,592,589.38 = 12,878,771.91/x
  3. Step 3: Cross multiply
    14,979,669.20x = 20,592,589.38 × 12,878,771.91
  4. Step 4: Simplify right side
    14,979,669.20x = 265,207,261,661,308.31
  5. Step 5: Solve for x
    x = 265,207,261,661,308.31/14,979,669.20
  6. Step 6: Final answer
    x = 17,704,480.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.