Home / 21,302,724.60-31,958,234.10-9,172,164.60

Finding the Fourth Proportional to 21,302,724.60, 31,958,234.10 and 9,172,164.60

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Solution

The fourth proportional to 21,302,724.60, 31,958,234.10 and 9,172,164.60 is: 13,760,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,724.60 : 31,958,234.10 = 9,172,164.60 : x
  2. Step 2: Convert to fraction form
    21,302,724.60/31,958,234.10 = 9,172,164.60/x
  3. Step 3: Cross multiply
    21,302,724.60x = 31,958,234.10 × 9,172,164.60
  4. Step 4: Simplify right side
    21,302,724.60x = 293,126,183,490,532.88
  5. Step 5: Solve for x
    x = 293,126,183,490,532.88/21,302,724.60
  6. Step 6: Final answer
    x = 13,760,032.53

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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.