Home / 7,480,003.40-11,220,005.10-6,556,214.60

Finding the Fourth Proportional to 7,480,003.40, 11,220,005.10 and 6,556,214.60

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Solution

The fourth proportional to 7,480,003.40, 11,220,005.10 and 6,556,214.60 is: 9,834,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,003.40 : 11,220,005.10 = 6,556,214.60 : x
  2. Step 2: Convert to fraction form
    7,480,003.40/11,220,005.10 = 6,556,214.60/x
  3. Step 3: Cross multiply
    7,480,003.40x = 11,220,005.10 × 6,556,214.60
  4. Step 4: Simplify right side
    7,480,003.40x = 73,560,761,248,694.45
  5. Step 5: Solve for x
    x = 73,560,761,248,694.45/7,480,003.40
  6. Step 6: Final answer
    x = 9,834,321.90

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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.