Home / 18,139,276.46-25,032,201.50-9,990,514.46

Finding the Fourth Proportional to 18,139,276.46, 25,032,201.50 and 9,990,514.46

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Solution

The fourth proportional to 18,139,276.46, 25,032,201.50 and 9,990,514.46 is: 13,786,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,276.46 : 25,032,201.50 = 9,990,514.46 : x
  2. Step 2: Convert to fraction form
    18,139,276.46/25,032,201.50 = 9,990,514.46/x
  3. Step 3: Cross multiply
    18,139,276.46x = 25,032,201.50 × 9,990,514.46
  4. Step 4: Simplify right side
    18,139,276.46x = 250,084,571,051,383.72
  5. Step 5: Solve for x
    x = 250,084,571,051,383.72/18,139,276.46
  6. Step 6: Final answer
    x = 13,786,909.95

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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.