Home / 21,632,334.45-29,847,848.97-12,807,403.73

Finding the Fourth Proportional to 21,632,334.45, 29,847,848.97 and 12,807,403.73

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Solution

The fourth proportional to 21,632,334.45, 29,847,848.97 and 12,807,403.73 is: 17,671,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,334.45 : 29,847,848.97 = 12,807,403.73 : x
  2. Step 2: Convert to fraction form
    21,632,334.45/29,847,848.97 = 12,807,403.73/x
  3. Step 3: Cross multiply
    21,632,334.45x = 29,847,848.97 × 12,807,403.73
  4. Step 4: Simplify right side
    21,632,334.45x = 382,273,452,241,572.56
  5. Step 5: Solve for x
    x = 382,273,452,241,572.56/21,632,334.45
  6. Step 6: Final answer
    x = 17,671,391.55

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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.