Home / 9,218,642.94-12,721,729.80-5,088,676.77

Finding the Fourth Proportional to 9,218,642.94, 12,721,729.80 and 5,088,676.77

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Solution

The fourth proportional to 9,218,642.94, 12,721,729.80 and 5,088,676.77 is: 7,022,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,642.94 : 12,721,729.80 = 5,088,676.77 : x
  2. Step 2: Convert to fraction form
    9,218,642.94/12,721,729.80 = 5,088,676.77/x
  3. Step 3: Cross multiply
    9,218,642.94x = 12,721,729.80 × 5,088,676.77
  4. Step 4: Simplify right side
    9,218,642.94x = 64,736,770,850,229.04
  5. Step 5: Solve for x
    x = 64,736,770,850,229.04/9,218,642.94
  6. Step 6: Final answer
    x = 7,022,375.34

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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.