Home / 10,491,942.24-15,740,034.84-4,426,688.94

Finding the Fourth Proportional to 10,491,942.24, 15,740,034.84 and 4,426,688.94

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Solution

The fourth proportional to 10,491,942.24, 15,740,034.84 and 4,426,688.94 is: 6,640,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491,942.24 : 15,740,034.84 = 4,426,688.94 : x
  2. Step 2: Convert to fraction form
    10,491,942.24/15,740,034.84 = 4,426,688.94/x
  3. Step 3: Cross multiply
    10,491,942.24x = 15,740,034.84 × 4,426,688.94
  4. Step 4: Simplify right side
    10,491,942.24x = 69,676,238,141,442.67
  5. Step 5: Solve for x
    x = 69,676,238,141,442.67/10,491,942.24
  6. Step 6: Final answer
    x = 6,640,928.49

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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.