Home / 7,191,448.38-9,924,198.23-3,883,742.30

Finding the Fourth Proportional to 7,191,448.38, 9,924,198.23 and 3,883,742.30

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Solution

The fourth proportional to 7,191,448.38, 9,924,198.23 and 3,883,742.30 is: 5,359,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,448.38 : 9,924,198.23 = 3,883,742.30 : x
  2. Step 2: Convert to fraction form
    7,191,448.38/9,924,198.23 = 3,883,742.30/x
  3. Step 3: Cross multiply
    7,191,448.38x = 9,924,198.23 × 3,883,742.30
  4. Step 4: Simplify right side
    7,191,448.38x = 38,543,028,493,955.98
  5. Step 5: Solve for x
    x = 38,543,028,493,955.98/7,191,448.38
  6. Step 6: Final answer
    x = 5,359,564.09

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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.