Home / 18,499,203.20-27,747,422.40-7,713,718.40

Finding the Fourth Proportional to 18,499,203.20, 27,747,422.40 and 7,713,718.40

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Solution

The fourth proportional to 18,499,203.20, 27,747,422.40 and 7,713,718.40 is: 11,570,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499,203.20 : 27,747,422.40 = 7,713,718.40 : x
  2. Step 2: Convert to fraction form
    18,499,203.20/27,747,422.40 = 7,713,718.40/x
  3. Step 3: Cross multiply
    18,499,203.20x = 27,747,422.40 × 7,713,718.40
  4. Step 4: Simplify right side
    18,499,203.20x = 214,035,802,719,452.16
  5. Step 5: Solve for x
    x = 214,035,802,719,452.16/18,499,203.20
  6. Step 6: Final answer
    x = 11,570,001.17

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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.