Home / 12,953,107.20-19,429,660.80-3,976,492.80

Finding the Fourth Proportional to 12,953,107.20, 19,429,660.80 and 3,976,492.80

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Solution

The fourth proportional to 12,953,107.20, 19,429,660.80 and 3,976,492.80 is: 5,964,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,107.20 : 19,429,660.80 = 3,976,492.80 : x
  2. Step 2: Convert to fraction form
    12,953,107.20/19,429,660.80 = 3,976,492.80/x
  3. Step 3: Cross multiply
    12,953,107.20x = 19,429,660.80 × 3,976,492.80
  4. Step 4: Simplify right side
    12,953,107.20x = 77,261,906,277,642.23
  5. Step 5: Solve for x
    x = 77,261,906,277,642.23/12,953,107.20
  6. Step 6: Final answer
    x = 5,964,739.20

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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.