Home / 13,367,989.95-18,448,119.45-8,141,243.10

Finding the Fourth Proportional to 13,367,989.95, 18,448,119.45 and 8,141,243.10

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Solution

The fourth proportional to 13,367,989.95, 18,448,119.45 and 8,141,243.10 is: 11,235,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367,989.95 : 18,448,119.45 = 8,141,243.10 : x
  2. Step 2: Convert to fraction form
    13,367,989.95/18,448,119.45 = 8,141,243.10/x
  3. Step 3: Cross multiply
    13,367,989.95x = 18,448,119.45 × 8,141,243.10
  4. Step 4: Simplify right side
    13,367,989.95x = 150,190,625,180,288.28
  5. Step 5: Solve for x
    x = 150,190,625,180,288.28/13,367,989.95
  6. Step 6: Final answer
    x = 11,235,094.11

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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.