Home / 15,171,622.56-20,935,119.60-8,976,859.20

Finding the Fourth Proportional to 15,171,622.56, 20,935,119.60 and 8,976,859.20

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Solution

The fourth proportional to 15,171,622.56, 20,935,119.60 and 8,976,859.20 is: 12,387,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171,622.56 : 20,935,119.60 = 8,976,859.20 : x
  2. Step 2: Convert to fraction form
    15,171,622.56/20,935,119.60 = 8,976,859.20/x
  3. Step 3: Cross multiply
    15,171,622.56x = 20,935,119.60 × 8,976,859.20
  4. Step 4: Simplify right side
    15,171,622.56x = 187,931,620,984,360.31
  5. Step 5: Solve for x
    x = 187,931,620,984,360.31/15,171,622.56
  6. Step 6: Final answer
    x = 12,387,048.27

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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.