Home / 8,458,866.78-11,672,934.12-4,787,704.53

Finding the Fourth Proportional to 8,458,866.78, 11,672,934.12 and 4,787,704.53

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Solution

The fourth proportional to 8,458,866.78, 11,672,934.12 and 4,787,704.53 is: 6,606,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,866.78 : 11,672,934.12 = 4,787,704.53 : x
  2. Step 2: Convert to fraction form
    8,458,866.78/11,672,934.12 = 4,787,704.53/x
  3. Step 3: Cross multiply
    8,458,866.78x = 11,672,934.12 × 4,787,704.53
  4. Step 4: Simplify right side
    8,458,866.78x = 55,886,559,564,715.56
  5. Step 5: Solve for x
    x = 55,886,559,564,715.56/8,458,866.78
  6. Step 6: Final answer
    x = 6,606,861.30

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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.