Home / 7,191,463.38-9,924,253.29-3,928,323.30

Finding the Fourth Proportional to 7,191,463.38, 9,924,253.29 and 3,928,323.30

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Solution

The fourth proportional to 7,191,463.38, 9,924,253.29 and 3,928,323.30 is: 5,421,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,463.38 : 9,924,253.29 = 3,928,323.30 : x
  2. Step 2: Convert to fraction form
    7,191,463.38/9,924,253.29 = 3,928,323.30/x
  3. Step 3: Cross multiply
    7,191,463.38x = 9,924,253.29 × 3,928,323.30
  4. Step 4: Simplify right side
    7,191,463.38x = 38,985,675,434,208.65
  5. Step 5: Solve for x
    x = 38,985,675,434,208.65/7,191,463.38
  6. Step 6: Final answer
    x = 5,421,104.63

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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.