Home / 27,456,659.88-37,890,195.36-15,233,487.72

Finding the Fourth Proportional to 27,456,659.88, 37,890,195.36 and 15,233,487.72

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Solution

The fourth proportional to 27,456,659.88, 37,890,195.36 and 15,233,487.72 is: 21,022,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456,659.88 : 37,890,195.36 = 15,233,487.72 : x
  2. Step 2: Convert to fraction form
    27,456,659.88/37,890,195.36 = 15,233,487.72/x
  3. Step 3: Cross multiply
    27,456,659.88x = 37,890,195.36 × 15,233,487.72
  4. Step 4: Simplify right side
    27,456,659.88x = 577,199,825,724,961
  5. Step 5: Solve for x
    x = 577,199,825,724,961/27,456,659.88
  6. Step 6: Final answer
    x = 21,022,215.68

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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.