Home / 12,981,440.61-19,471,619.63-3,396,606.93

Finding the Fourth Proportional to 12,981,440.61, 19,471,619.63 and 3,396,606.93

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Solution

The fourth proportional to 12,981,440.61, 19,471,619.63 and 3,396,606.93 is: 5,094,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981,440.61 : 19,471,619.63 = 3,396,606.93 : x
  2. Step 2: Convert to fraction form
    12,981,440.61/19,471,619.63 = 3,396,606.93/x
  3. Step 3: Cross multiply
    12,981,440.61x = 19,471,619.63 × 3,396,606.93
  4. Step 4: Simplify right side
    12,981,440.61x = 66,137,438,216,623.34
  5. Step 5: Solve for x
    x = 66,137,438,216,623.34/12,981,440.61
  6. Step 6: Final answer
    x = 5,094,768.77

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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.