Home / 10,988,691.81-16,483,176.87-4,163,431.59

Finding the Fourth Proportional to 10,988,691.81, 16,483,176.87 and 4,163,431.59

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Solution

The fourth proportional to 10,988,691.81, 16,483,176.87 and 4,163,431.59 is: 6,245,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988,691.81 : 16,483,176.87 = 4,163,431.59 : x
  2. Step 2: Convert to fraction form
    10,988,691.81/16,483,176.87 = 4,163,431.59/x
  3. Step 3: Cross multiply
    10,988,691.81x = 16,483,176.87 × 4,163,431.59
  4. Step 4: Simplify right side
    10,988,691.81x = 68,626,579,284,115.32
  5. Step 5: Solve for x
    x = 68,626,579,284,115.32/10,988,691.81
  6. Step 6: Final answer
    x = 6,245,200.11

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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.