Home / 12,296,644.13-16,970,865.03-7,140,005.52

Finding the Fourth Proportional to 12,296,644.13, 16,970,865.03 and 7,140,005.52

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Solution

The fourth proportional to 12,296,644.13, 16,970,865.03 and 7,140,005.52 is: 9,854,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,644.13 : 16,970,865.03 = 7,140,005.52 : x
  2. Step 2: Convert to fraction form
    12,296,644.13/16,970,865.03 = 7,140,005.52/x
  3. Step 3: Cross multiply
    12,296,644.13x = 16,970,865.03 × 7,140,005.52
  4. Step 4: Simplify right side
    12,296,644.13x = 121,172,069,993,374.97
  5. Step 5: Solve for x
    x = 121,172,069,993,374.97/12,296,644.13
  6. Step 6: Final answer
    x = 9,854,076.34

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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.