Home / 7,851,002.70-11,776,504.05-7,284,132.30

Finding the Fourth Proportional to 7,851,002.70, 11,776,504.05 and 7,284,132.30

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Solution

The fourth proportional to 7,851,002.70, 11,776,504.05 and 7,284,132.30 is: 10,926,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851,002.70 : 11,776,504.05 = 7,284,132.30 : x
  2. Step 2: Convert to fraction form
    7,851,002.70/11,776,504.05 = 7,284,132.30/x
  3. Step 3: Cross multiply
    7,851,002.70x = 11,776,504.05 × 7,284,132.30
  4. Step 4: Simplify right side
    7,851,002.70x = 85,781,613,531,685.81
  5. Step 5: Solve for x
    x = 85,781,613,531,685.81/7,851,002.70
  6. Step 6: Final answer
    x = 10,926,198.45

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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.