Home / 13,361,159.70-20,041,739.55-11,447,972.10

Finding the Fourth Proportional to 13,361,159.70, 20,041,739.55 and 11,447,972.10

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Solution

The fourth proportional to 13,361,159.70, 20,041,739.55 and 11,447,972.10 is: 17,171,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,159.70 : 20,041,739.55 = 11,447,972.10 : x
  2. Step 2: Convert to fraction form
    13,361,159.70/20,041,739.55 = 11,447,972.10/x
  3. Step 3: Cross multiply
    13,361,159.70x = 20,041,739.55 × 11,447,972.10
  4. Step 4: Simplify right side
    13,361,159.70x = 229,437,275,203,866.56
  5. Step 5: Solve for x
    x = 229,437,275,203,866.56/13,361,159.70
  6. Step 6: Final answer
    x = 17,171,958.15

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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.