Home / 8,678,261.50-11,977,221.66-5,371,617.07

Finding the Fourth Proportional to 8,678,261.50, 11,977,221.66 and 5,371,617.07

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Solution

The fourth proportional to 8,678,261.50, 11,977,221.66 and 5,371,617.07 is: 7,413,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,261.50 : 11,977,221.66 = 5,371,617.07 : x
  2. Step 2: Convert to fraction form
    8,678,261.50/11,977,221.66 = 5,371,617.07/x
  3. Step 3: Cross multiply
    8,678,261.50x = 11,977,221.66 × 5,371,617.07
  4. Step 4: Simplify right side
    8,678,261.50x = 64,337,048,320,029.74
  5. Step 5: Solve for x
    x = 64,337,048,320,029.74/8,678,261.50
  6. Step 6: Final answer
    x = 7,413,587.19

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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.