Home / 18,121,308.06-25,007,409.18-9,972,546.06

Finding the Fourth Proportional to 18,121,308.06, 25,007,409.18 and 9,972,546.06

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Solution

The fourth proportional to 18,121,308.06, 25,007,409.18 and 9,972,546.06 is: 13,762,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,308.06 : 25,007,409.18 = 9,972,546.06 : x
  2. Step 2: Convert to fraction form
    18,121,308.06/25,007,409.18 = 9,972,546.06/x
  3. Step 3: Cross multiply
    18,121,308.06x = 25,007,409.18 × 9,972,546.06
  4. Step 4: Simplify right side
    18,121,308.06x = 249,387,539,888,816.84
  5. Step 5: Solve for x
    x = 249,387,539,888,816.84/18,121,308.06
  6. Step 6: Final answer
    x = 13,762,115.80

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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.