Home / 15,885,015,510.84-21,923,704,638.83-12,068,257,787.54

Finding the Fourth Proportional to 15,885,015,510.84, 21,923,704,638.83 and 12,068,257,787.54

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Solution

The fourth proportional to 15,885,015,510.84, 21,923,704,638.83 and 12,068,257,787.54 is: 16,656,006,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885,015,510.84 : 21,923,704,638.83 = 12,068,257,787.54 : x
  2. Step 2: Convert to fraction form
    15,885,015,510.84/21,923,704,638.83 = 12,068,257,787.54/x
  3. Step 3: Cross multiply
    15,885,015,510.84x = 21,923,704,638.83 × 12,068,257,787.54
  4. Step 4: Simplify right side
    15,885,015,510.84x = 264,580,919,239,410,876,416
  5. Step 5: Solve for x
    x = 264,580,919,239,410,876,416/15,885,015,510.84
  6. Step 6: Final answer
    x = 16,656,006,351.33

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1.5x scale

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.