Home / 18,121,310.60-25,007,412.75-9,972,548.60

Finding the Fourth Proportional to 18,121,310.60, 25,007,412.75 and 9,972,548.60

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Solution

The fourth proportional to 18,121,310.60, 25,007,412.75 and 9,972,548.60 is: 13,762,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,310.60 : 25,007,412.75 = 9,972,548.60 : x
  2. Step 2: Convert to fraction form
    18,121,310.60/25,007,412.75 = 9,972,548.60/x
  3. Step 3: Cross multiply
    18,121,310.60x = 25,007,412.75 × 9,972,548.60
  4. Step 4: Simplify right side
    18,121,310.60x = 249,387,639,009,634.66
  5. Step 5: Solve for x
    x = 249,387,639,009,634.66/18,121,310.60
  6. Step 6: Final answer
    x = 13,762,119.34

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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.