Home / 21,791,183-30,073,956.64-16,274,981.12

Finding the Fourth Proportional to 21,791,183, 30,073,956.64 and 16,274,981.12

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Solution

The fourth proportional to 21,791,183, 30,073,956.64 and 16,274,981.12 is: 22,461,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,183 : 30,073,956.64 = 16,274,981.12 : x
  2. Step 2: Convert to fraction form
    21,791,183/30,073,956.64 = 16,274,981.12/x
  3. Step 3: Cross multiply
    21,791,183x = 30,073,956.64 × 16,274,981.12
  4. Step 4: Simplify right side
    21,791,183x = 489,453,076,519,698.62
  5. Step 5: Solve for x
    x = 489,453,076,519,698.62/21,791,183
  6. Step 6: Final answer
    x = 22,461,060.35

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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.