Home / 15,392,355.46-21,241,452.21-8,423,034.49

Finding the Fourth Proportional to 15,392,355.46, 21,241,452.21 and 8,423,034.49

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Solution

The fourth proportional to 15,392,355.46, 21,241,452.21 and 8,423,034.49 is: 11,623,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392,355.46 : 21,241,452.21 = 8,423,034.49 : x
  2. Step 2: Convert to fraction form
    15,392,355.46/21,241,452.21 = 8,423,034.49/x
  3. Step 3: Cross multiply
    15,392,355.46x = 21,241,452.21 × 8,423,034.49
  4. Step 4: Simplify right side
    15,392,355.46x = 178,917,484,582,516.75
  5. Step 5: Solve for x
    x = 178,917,484,582,516.75/15,392,355.46
  6. Step 6: Final answer
    x = 11,623,788.51

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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.