Home / 31,253,598.56-46,879,960.32-18,960,491.36

Finding the Fourth Proportional to 31,253,598.56, 46,879,960.32 and 18,960,491.36

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Solution

The fourth proportional to 31,253,598.56, 46,879,960.32 and 18,960,491.36 is: 28,440,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253,598.56 : 46,879,960.32 = 18,960,491.36 : x
  2. Step 2: Convert to fraction form
    31,253,598.56/46,879,960.32 = 18,960,491.36/x
  3. Step 3: Cross multiply
    31,253,598.56x = 46,879,960.32 × 18,960,491.36
  4. Step 4: Simplify right side
    31,253,598.56x = 888,867,082,604,502.88
  5. Step 5: Solve for x
    x = 888,867,082,604,502.88/31,253,598.56
  6. Step 6: Final answer
    x = 28,440,471.61

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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.