Home / 7,453,281.60-11,179,922.40-2,661,127.20

Finding the Fourth Proportional to 7,453,281.60, 11,179,922.40 and 2,661,127.20

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Solution

The fourth proportional to 7,453,281.60, 11,179,922.40 and 2,661,127.20 is: 3,991,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453,281.60 : 11,179,922.40 = 2,661,127.20 : x
  2. Step 2: Convert to fraction form
    7,453,281.60/11,179,922.40 = 2,661,127.20/x
  3. Step 3: Cross multiply
    7,453,281.60x = 11,179,922.40 × 2,661,127.20
  4. Step 4: Simplify right side
    7,453,281.60x = 29,751,195,592,529.28
  5. Step 5: Solve for x
    x = 29,751,195,592,529.28/7,453,281.60
  6. Step 6: Final answer
    x = 3,991,690.80

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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.