Home / 12,299,085.60-18,456,501.60-7,181,505.60

Finding the Fourth Proportional to 12,299,085.60, 18,456,501.60 and 7,181,505.60

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Solution

The fourth proportional to 12,299,085.60, 18,456,501.60 and 7,181,505.60 is: 10,776,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,085.60 : 18,456,501.60 = 7,181,505.60 : x
  2. Step 2: Convert to fraction form
    12,299,085.60/18,456,501.60 = 7,181,505.60/x
  3. Step 3: Cross multiply
    12,299,085.60x = 18,456,501.60 × 7,181,505.60
  4. Step 4: Simplify right side
    12,299,085.60x = 132,545,469,596,808.97
  5. Step 5: Solve for x
    x = 132,545,469,596,808.97/12,299,085.60
  6. Step 6: Final answer
    x = 10,776,855.61

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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.