Home / 15,039,726.28-20,749,009.62-8,511,859.60

Finding the Fourth Proportional to 15,039,726.28, 20,749,009.62 and 8,511,859.60

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Solution

The fourth proportional to 15,039,726.28, 20,749,009.62 and 8,511,859.60 is: 11,743,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039,726.28 : 20,749,009.62 = 8,511,859.60 : x
  2. Step 2: Convert to fraction form
    15,039,726.28/20,749,009.62 = 8,511,859.60/x
  3. Step 3: Cross multiply
    15,039,726.28x = 20,749,009.62 × 8,511,859.60
  4. Step 4: Simplify right side
    15,039,726.28x = 176,612,656,724,489.34
  5. Step 5: Solve for x
    x = 176,612,656,724,489.34/15,039,726.28
  6. Step 6: Final answer
    x = 11,743,076.53

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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.