Home / 15,194,166.06-20,967,939.54-8,318,646.30

Finding the Fourth Proportional to 15,194,166.06, 20,967,939.54 and 8,318,646.30

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Solution

The fourth proportional to 15,194,166.06, 20,967,939.54 and 8,318,646.30 is: 11,479,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,166.06 : 20,967,939.54 = 8,318,646.30 : x
  2. Step 2: Convert to fraction form
    15,194,166.06/20,967,939.54 = 8,318,646.30/x
  3. Step 3: Cross multiply
    15,194,166.06x = 20,967,939.54 × 8,318,646.30
  4. Step 4: Simplify right side
    15,194,166.06x = 174,424,872,673,044.69
  5. Step 5: Solve for x
    x = 174,424,872,673,044.69/15,194,166.06
  6. Step 6: Final answer
    x = 11,479,726.63

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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.