Home / 10,988,715.78-16,485,432.39-3,702,895.38

Finding the Fourth Proportional to 10,988,715.78, 16,485,432.39 and 3,702,895.38

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Solution

The fourth proportional to 10,988,715.78, 16,485,432.39 and 3,702,895.38 is: 5,555,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988,715.78 : 16,485,432.39 = 3,702,895.38 : x
  2. Step 2: Convert to fraction form
    10,988,715.78/16,485,432.39 = 3,702,895.38/x
  3. Step 3: Cross multiply
    10,988,715.78x = 16,485,432.39 × 3,702,895.38
  4. Step 4: Simplify right side
    10,988,715.78x = 61,043,831,434,233.36
  5. Step 5: Solve for x
    x = 61,043,831,434,233.36/10,988,715.78
  6. Step 6: Final answer
    x = 5,555,137.89

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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.