Home / 21,899,853-30,221,993.07-12,110,960.34

Finding the Fourth Proportional to 21,899,853, 30,221,993.07 and 12,110,960.34

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Solution

The fourth proportional to 21,899,853, 30,221,993.07 and 12,110,960.34 is: 16,713,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899,853 : 30,221,993.07 = 12,110,960.34 : x
  2. Step 2: Convert to fraction form
    21,899,853/30,221,993.07 = 12,110,960.34/x
  3. Step 3: Cross multiply
    21,899,853x = 30,221,993.07 × 12,110,960.34
  4. Step 4: Simplify right side
    21,899,853x = 366,017,359,496,802.25
  5. Step 5: Solve for x
    x = 366,017,359,496,802.25/21,899,853
  6. Step 6: Final answer
    x = 16,713,233.62

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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.