Home / 14,979,779.48-20,671,891.53-8,364,470.10

Finding the Fourth Proportional to 14,979,779.48, 20,671,891.53 and 8,364,470.10

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Solution

The fourth proportional to 14,979,779.48, 20,671,891.53 and 8,364,470.10 is: 11,542,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979,779.48 : 20,671,891.53 = 8,364,470.10 : x
  2. Step 2: Convert to fraction form
    14,979,779.48/20,671,891.53 = 8,364,470.10/x
  3. Step 3: Cross multiply
    14,979,779.48x = 20,671,891.53 × 8,364,470.10
  4. Step 4: Simplify right side
    14,979,779.48x = 172,909,418,613,128.25
  5. Step 5: Solve for x
    x = 172,909,418,613,128.25/14,979,779.48
  6. Step 6: Final answer
    x = 11,542,854.75

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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.