Home / 12,268,213.70-18,402,320.55-9,876,729.20

Finding the Fourth Proportional to 12,268,213.70, 18,402,320.55 and 9,876,729.20

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Solution

The fourth proportional to 12,268,213.70, 18,402,320.55 and 9,876,729.20 is: 14,815,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,213.70 : 18,402,320.55 = 9,876,729.20 : x
  2. Step 2: Convert to fraction form
    12,268,213.70/18,402,320.55 = 9,876,729.20/x
  3. Step 3: Cross multiply
    12,268,213.70x = 18,402,320.55 × 9,876,729.20
  4. Step 4: Simplify right side
    12,268,213.70x = 181,754,736,723,945.06
  5. Step 5: Solve for x
    x = 181,754,736,723,945.06/12,268,213.70
  6. Step 6: Final answer
    x = 14,815,093.80

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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.