Home / 9,339,093.87-12,887,916.24-5,209,121.76

Finding the Fourth Proportional to 9,339,093.87, 12,887,916.24 and 5,209,121.76

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Solution

The fourth proportional to 9,339,093.87, 12,887,916.24 and 5,209,121.76 is: 7,188,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,093.87 : 12,887,916.24 = 5,209,121.76 : x
  2. Step 2: Convert to fraction form
    9,339,093.87/12,887,916.24 = 5,209,121.76/x
  3. Step 3: Cross multiply
    9,339,093.87x = 12,887,916.24 × 5,209,121.76
  4. Step 4: Simplify right side
    9,339,093.87x = 67,134,724,926,841.38
  5. Step 5: Solve for x
    x = 67,134,724,926,841.38/9,339,093.87
  6. Step 6: Final answer
    x = 7,188,569.45

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1.5x scale

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.