Home / 7,921,642.42-11,883,991.29-3,372,607.90

Finding the Fourth Proportional to 7,921,642.42, 11,883,991.29 and 3,372,607.90

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Solution

The fourth proportional to 7,921,642.42, 11,883,991.29 and 3,372,607.90 is: 5,059,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,642.42 : 11,883,991.29 = 3,372,607.90 : x
  2. Step 2: Convert to fraction form
    7,921,642.42/11,883,991.29 = 3,372,607.90/x
  3. Step 3: Cross multiply
    7,921,642.42x = 11,883,991.29 × 3,372,607.90
  4. Step 4: Simplify right side
    7,921,642.42x = 40,080,042,908,185.19
  5. Step 5: Solve for x
    x = 40,080,042,908,185.19/7,921,642.42
  6. Step 6: Final answer
    x = 5,059,562.25

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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.