Home / 28,447,822.80-42,671,844.92-6,882,389.89

Finding the Fourth Proportional to 28,447,822.80, 42,671,844.92 and 6,882,389.89

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Solution

The fourth proportional to 28,447,822.80, 42,671,844.92 and 6,882,389.89 is: 10,323,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,822.80 : 42,671,844.92 = 6,882,389.89 : x
  2. Step 2: Convert to fraction form
    28,447,822.80/42,671,844.92 = 6,882,389.89/x
  3. Step 3: Cross multiply
    28,447,822.80x = 42,671,844.92 × 6,882,389.89
  4. Step 4: Simplify right side
    28,447,822.80x = 293,684,273,923,964.31
  5. Step 5: Solve for x
    x = 293,684,273,923,964.31/28,447,822.80
  6. Step 6: Final answer
    x = 10,323,611.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.