Home / 19,729,768.15-27,227,070.43-11,581,006.15

Finding the Fourth Proportional to 19,729,768.15, 27,227,070.43 and 11,581,006.15

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Solution

The fourth proportional to 19,729,768.15, 27,227,070.43 and 11,581,006.15 is: 15,981,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,768.15 : 27,227,070.43 = 11,581,006.15 : x
  2. Step 2: Convert to fraction form
    19,729,768.15/27,227,070.43 = 11,581,006.15/x
  3. Step 3: Cross multiply
    19,729,768.15x = 27,227,070.43 × 11,581,006.15
  4. Step 4: Simplify right side
    19,729,768.15x = 315,316,870,096,313.12
  5. Step 5: Solve for x
    x = 315,316,870,096,313.12/19,729,768.15
  6. Step 6: Final answer
    x = 15,981,782.84

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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.