Home / 38,420,165.70-57,634,284.57-12,514,485.69

Finding the Fourth Proportional to 38,420,165.70, 57,634,284.57 and 12,514,485.69

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Solution

The fourth proportional to 38,420,165.70, 57,634,284.57 and 12,514,485.69 is: 18,773,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420,165.70 : 57,634,284.57 = 12,514,485.69 : x
  2. Step 2: Convert to fraction form
    38,420,165.70/57,634,284.57 = 12,514,485.69/x
  3. Step 3: Cross multiply
    38,420,165.70x = 57,634,284.57 × 12,514,485.69
  4. Step 4: Simplify right side
    38,420,165.70x = 721,263,429,504,652.75
  5. Step 5: Solve for x
    x = 721,263,429,504,652.75/38,420,165.70
  6. Step 6: Final answer
    x = 18,773,043.18

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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.