Home / 15,280,725.60-21,086,987.70-8,666,527.14

Finding the Fourth Proportional to 15,280,725.60, 21,086,987.70 and 8,666,527.14

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Solution

The fourth proportional to 15,280,725.60, 21,086,987.70 and 8,666,527.14 is: 11,959,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,725.60 : 21,086,987.70 = 8,666,527.14 : x
  2. Step 2: Convert to fraction form
    15,280,725.60/21,086,987.70 = 8,666,527.14/x
  3. Step 3: Cross multiply
    15,280,725.60x = 21,086,987.70 × 8,666,527.14
  4. Step 4: Simplify right side
    15,280,725.60x = 182,750,951,202,896.19
  5. Step 5: Solve for x
    x = 182,750,951,202,896.19/15,280,725.60
  6. Step 6: Final answer
    x = 11,959,572.86

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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.