Home / 12,060,301.60-18,058,959.60-7,777,280.80

Finding the Fourth Proportional to 12,060,301.60, 18,058,959.60 and 7,777,280.80

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Solution

The fourth proportional to 12,060,301.60, 18,058,959.60 and 7,777,280.80 is: 11,645,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060,301.60 : 18,058,959.60 = 7,777,280.80 : x
  2. Step 2: Convert to fraction form
    12,060,301.60/18,058,959.60 = 7,777,280.80/x
  3. Step 3: Cross multiply
    12,060,301.60x = 18,058,959.60 × 7,777,280.80
  4. Step 4: Simplify right side
    12,060,301.60x = 140,449,599,765,055.69
  5. Step 5: Solve for x
    x = 140,449,599,765,055.69/12,060,301.60
  6. Step 6: Final answer
    x = 11,645,612.56

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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.