Home / 25,139,879.28-34,690,339.80-16,878,268.08

Finding the Fourth Proportional to 25,139,879.28, 34,690,339.80 and 16,878,268.08

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Solution

The fourth proportional to 25,139,879.28, 34,690,339.80 and 16,878,268.08 is: 23,290,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139,879.28 : 34,690,339.80 = 16,878,268.08 : x
  2. Step 2: Convert to fraction form
    25,139,879.28/34,690,339.80 = 16,878,268.08/x
  3. Step 3: Cross multiply
    25,139,879.28x = 34,690,339.80 × 16,878,268.08
  4. Step 4: Simplify right side
    25,139,879.28x = 585,512,854,930,693.50
  5. Step 5: Solve for x
    x = 585,512,854,930,693.50/25,139,879.28
  6. Step 6: Final answer
    x = 23,290,201.53

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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.