Home / 12,296,644.50-16,970,865.55-7,140,005.90

Finding the Fourth Proportional to 12,296,644.50, 16,970,865.55 and 7,140,005.90

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Solution

The fourth proportional to 12,296,644.50, 16,970,865.55 and 7,140,005.90 is: 9,854,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,644.50 : 16,970,865.55 = 7,140,005.90 : x
  2. Step 2: Convert to fraction form
    12,296,644.50/16,970,865.55 = 7,140,005.90/x
  3. Step 3: Cross multiply
    12,296,644.50x = 16,970,865.55 × 7,140,005.90
  4. Step 4: Simplify right side
    12,296,644.50x = 121,172,080,116,043.14
  5. Step 5: Solve for x
    x = 121,172,080,116,043.14/12,296,644.50
  6. Step 6: Final answer
    x = 9,854,076.86

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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.