Home / 38,420,165.48-57,634,284.25-12,514,485.47

Finding the Fourth Proportional to 38,420,165.48, 57,634,284.25 and 12,514,485.47

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Solution

The fourth proportional to 38,420,165.48, 57,634,284.25 and 12,514,485.47 is: 18,773,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420,165.48 : 57,634,284.25 = 12,514,485.47 : x
  2. Step 2: Convert to fraction form
    38,420,165.48/57,634,284.25 = 12,514,485.47/x
  3. Step 3: Cross multiply
    38,420,165.48x = 57,634,284.25 × 12,514,485.47
  4. Step 4: Simplify right side
    38,420,165.48x = 721,263,412,613,816.62
  5. Step 5: Solve for x
    x = 721,263,412,613,816.62/38,420,165.48
  6. Step 6: Final answer
    x = 18,773,042.84

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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.