Home / 18,126,480.70-25,015,203.48-9,866,143.78

Finding the Fourth Proportional to 18,126,480.70, 25,015,203.48 and 9,866,143.78

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Solution

The fourth proportional to 18,126,480.70, 25,015,203.48 and 9,866,143.78 is: 13,615,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,480.70 : 25,015,203.48 = 9,866,143.78 : x
  2. Step 2: Convert to fraction form
    18,126,480.70/25,015,203.48 = 9,866,143.78/x
  3. Step 3: Cross multiply
    18,126,480.70x = 25,015,203.48 × 9,866,143.78
  4. Step 4: Simplify right side
    18,126,480.70x = 246,803,594,219,636.34
  5. Step 5: Solve for x
    x = 246,803,594,219,636.34/18,126,480.70
  6. Step 6: Final answer
    x = 13,615,637.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.