Home / 13,488,358.80-20,232,538.20-12,071,182.80

Finding the Fourth Proportional to 13,488,358.80, 20,232,538.20 and 12,071,182.80

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Solution

The fourth proportional to 13,488,358.80, 20,232,538.20 and 12,071,182.80 is: 18,106,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,358.80 : 20,232,538.20 = 12,071,182.80 : x
  2. Step 2: Convert to fraction form
    13,488,358.80/20,232,538.20 = 12,071,182.80/x
  3. Step 3: Cross multiply
    13,488,358.80x = 20,232,538.20 × 12,071,182.80
  4. Step 4: Simplify right side
    13,488,358.80x = 244,230,667,120,182.97
  5. Step 5: Solve for x
    x = 244,230,667,120,182.97/13,488,358.80
  6. Step 6: Final answer
    x = 18,106,774.20

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1.5x scale

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.