Home / 12,312,029.80-18,468,044.70-12,060,087.40

Finding the Fourth Proportional to 12,312,029.80, 18,468,044.70 and 12,060,087.40

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Solution

The fourth proportional to 12,312,029.80, 18,468,044.70 and 12,060,087.40 is: 18,090,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,029.80 : 18,468,044.70 = 12,060,087.40 : x
  2. Step 2: Convert to fraction form
    12,312,029.80/18,468,044.70 = 12,060,087.40/x
  3. Step 3: Cross multiply
    12,312,029.80x = 18,468,044.70 × 12,060,087.40
  4. Step 4: Simplify right side
    12,312,029.80x = 222,726,233,189,106.78
  5. Step 5: Solve for x
    x = 222,726,233,189,106.78/12,312,029.80
  6. Step 6: Final answer
    x = 18,090,131.10

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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.