Home / 12,073,436.20-18,111,029.10-7,270,784.20

Finding the Fourth Proportional to 12,073,436.20, 18,111,029.10 and 7,270,784.20

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Solution

The fourth proportional to 12,073,436.20, 18,111,029.10 and 7,270,784.20 is: 10,906,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,436.20 : 18,111,029.10 = 7,270,784.20 : x
  2. Step 2: Convert to fraction form
    12,073,436.20/18,111,029.10 = 7,270,784.20/x
  3. Step 3: Cross multiply
    12,073,436.20x = 18,111,029.10 × 7,270,784.20
  4. Step 4: Simplify right side
    12,073,436.20x = 131,681,384,226,020.23
  5. Step 5: Solve for x
    x = 131,681,384,226,020.23/12,073,436.20
  6. Step 6: Final answer
    x = 10,906,703.12

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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.