Home / 13,112,358.80-19,668,538.20-8,010,525.20

Finding the Fourth Proportional to 13,112,358.80, 19,668,538.20 and 8,010,525.20

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Solution

The fourth proportional to 13,112,358.80, 19,668,538.20 and 8,010,525.20 is: 12,015,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,358.80 : 19,668,538.20 = 8,010,525.20 : x
  2. Step 2: Convert to fraction form
    13,112,358.80/19,668,538.20 = 8,010,525.20/x
  3. Step 3: Cross multiply
    13,112,358.80x = 19,668,538.20 × 8,010,525.20
  4. Step 4: Simplify right side
    13,112,358.80x = 157,555,320,898,262.62
  5. Step 5: Solve for x
    x = 157,555,320,898,262.62/13,112,358.80
  6. Step 6: Final answer
    x = 12,015,787.80

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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.