Home / 13,772,679.80-20,610,030.90-11,995,086.20

Finding the Fourth Proportional to 13,772,679.80, 20,610,030.90 and 11,995,086.20

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Solution

The fourth proportional to 13,772,679.80, 20,610,030.90 and 11,995,086.20 is: 17,949,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,679.80 : 20,610,030.90 = 11,995,086.20 : x
  2. Step 2: Convert to fraction form
    13,772,679.80/20,610,030.90 = 11,995,086.20/x
  3. Step 3: Cross multiply
    13,772,679.80x = 20,610,030.90 × 11,995,086.20
  4. Step 4: Simplify right side
    13,772,679.80x = 247,219,097,230,163.53
  5. Step 5: Solve for x
    x = 247,219,097,230,163.53/13,772,679.80
  6. Step 6: Final answer
    x = 17,949,963.32

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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.