Home / 10,891,916.16-16,347,962.56-5,504,357.76

Finding the Fourth Proportional to 10,891,916.16, 16,347,962.56 and 5,504,357.76

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Solution

The fourth proportional to 10,891,916.16, 16,347,962.56 and 5,504,357.76 is: 8,261,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,916.16 : 16,347,962.56 = 5,504,357.76 : x
  2. Step 2: Convert to fraction form
    10,891,916.16/16,347,962.56 = 5,504,357.76/x
  3. Step 3: Cross multiply
    10,891,916.16x = 16,347,962.56 × 5,504,357.76
  4. Step 4: Simplify right side
    10,891,916.16x = 89,985,034,577,325.47
  5. Step 5: Solve for x
    x = 89,985,034,577,325.47/10,891,916.16
  6. Step 6: Final answer
    x = 8,261,634.89

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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.