Home / 8,809,398.78-13,212,523.34-5,605,006.38

Finding the Fourth Proportional to 8,809,398.78, 13,212,523.34 and 5,605,006.38

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Solution

The fourth proportional to 8,809,398.78, 13,212,523.34 and 5,605,006.38 is: 8,406,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,398.78 : 13,212,523.34 = 5,605,006.38 : x
  2. Step 2: Convert to fraction form
    8,809,398.78/13,212,523.34 = 5,605,006.38/x
  3. Step 3: Cross multiply
    8,809,398.78x = 13,212,523.34 × 5,605,006.38
  4. Step 4: Simplify right side
    8,809,398.78x = 74,056,277,616,598.91
  5. Step 5: Solve for x
    x = 74,056,277,616,598.91/8,809,398.78
  6. Step 6: Final answer
    x = 8,406,507.58

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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.