Home / 12,434,017.80-18,651,026.70-7,382,728.20

Finding the Fourth Proportional to 12,434,017.80, 18,651,026.70 and 7,382,728.20

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Solution

The fourth proportional to 12,434,017.80, 18,651,026.70 and 7,382,728.20 is: 11,074,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434,017.80 : 18,651,026.70 = 7,382,728.20 : x
  2. Step 2: Convert to fraction form
    12,434,017.80/18,651,026.70 = 7,382,728.20/x
  3. Step 3: Cross multiply
    12,434,017.80x = 18,651,026.70 × 7,382,728.20
  4. Step 4: Simplify right side
    12,434,017.80x = 137,695,460,777,042.94
  5. Step 5: Solve for x
    x = 137,695,460,777,042.94/12,434,017.80
  6. Step 6: Final answer
    x = 11,074,092.30

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Double scale
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Similar ratio
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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.