Home / 10,078,338.61-15,111,899.47-5,981,324.59

Finding the Fourth Proportional to 10,078,338.61, 15,111,899.47 and 5,981,324.59

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Solution

The fourth proportional to 10,078,338.61, 15,111,899.47 and 5,981,324.59 is: 8,968,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,338.61 : 15,111,899.47 = 5,981,324.59 : x
  2. Step 2: Convert to fraction form
    10,078,338.61/15,111,899.47 = 5,981,324.59/x
  3. Step 3: Cross multiply
    10,078,338.61x = 15,111,899.47 × 5,981,324.59
  4. Step 4: Simplify right side
    10,078,338.61x = 90,389,175,832,650.22
  5. Step 5: Solve for x
    x = 90,389,175,832,650.22/10,078,338.61
  6. Step 6: Final answer
    x = 8,968,658.36

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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.