Home / 10,309,516.47-15,464,072.49-4,161,334.59

Finding the Fourth Proportional to 10,309,516.47, 15,464,072.49 and 4,161,334.59

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Solution

The fourth proportional to 10,309,516.47, 15,464,072.49 and 4,161,334.59 is: 6,241,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,516.47 : 15,464,072.49 = 4,161,334.59 : x
  2. Step 2: Convert to fraction form
    10,309,516.47/15,464,072.49 = 4,161,334.59/x
  3. Step 3: Cross multiply
    10,309,516.47x = 15,464,072.49 × 4,161,334.59
  4. Step 4: Simplify right side
    10,309,516.47x = 64,351,179,754,904.43
  5. Step 5: Solve for x
    x = 64,351,179,754,904.43/10,309,516.47
  6. Step 6: Final answer
    x = 6,241,920.26

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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.