Home / 21,791,193.35-30,073,970.89-16,274,991.45

Finding the Fourth Proportional to 21,791,193.35, 30,073,970.89 and 16,274,991.45

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Solution

The fourth proportional to 21,791,193.35, 30,073,970.89 and 16,274,991.45 is: 22,461,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,193.35 : 30,073,970.89 = 16,274,991.45 : x
  2. Step 2: Convert to fraction form
    21,791,193.35/30,073,970.89 = 16,274,991.45/x
  3. Step 3: Cross multiply
    21,791,193.35x = 30,073,970.89 × 16,274,991.45
  4. Step 4: Simplify right side
    21,791,193.35x = 489,453,619,235,420
  5. Step 5: Solve for x
    x = 489,453,619,235,420/21,791,193.35
  6. Step 6: Final answer
    x = 22,461,074.59

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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.