Home / 21,993,451.80-30,349,504.92-12,203,275.20

Finding the Fourth Proportional to 21,993,451.80, 30,349,504.92 and 12,203,275.20

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Solution

The fourth proportional to 21,993,451.80, 30,349,504.92 and 12,203,275.20 is: 16,839,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,451.80 : 30,349,504.92 = 12,203,275.20 : x
  2. Step 2: Convert to fraction form
    21,993,451.80/30,349,504.92 = 12,203,275.20/x
  3. Step 3: Cross multiply
    21,993,451.80x = 30,349,504.92 × 12,203,275.20
  4. Step 4: Simplify right side
    21,993,451.80x = 370,363,360,722,514
  5. Step 5: Solve for x
    x = 370,363,360,722,514/21,993,451.80
  6. Step 6: Final answer
    x = 16,839,710.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.