Home / 15,582,489.65-21,503,460.34-8,517,768.87

Finding the Fourth Proportional to 15,582,489.65, 21,503,460.34 and 8,517,768.87

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Solution

The fourth proportional to 15,582,489.65, 21,503,460.34 and 8,517,768.87 is: 11,754,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582,489.65 : 21,503,460.34 = 8,517,768.87 : x
  2. Step 2: Convert to fraction form
    15,582,489.65/21,503,460.34 = 8,517,768.87/x
  3. Step 3: Cross multiply
    15,582,489.65x = 21,503,460.34 × 8,517,768.87
  4. Step 4: Simplify right side
    15,582,489.65x = 183,161,505,196,568.75
  5. Step 5: Solve for x
    x = 183,161,505,196,568.75/15,582,489.65
  6. Step 6: Final answer
    x = 11,754,315.86

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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.