Home / 15,458,935.20-23,169,740.40-7,882,000.80

Finding the Fourth Proportional to 15,458,935.20, 23,169,740.40 and 7,882,000.80

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Solution

The fourth proportional to 15,458,935.20, 23,169,740.40 and 7,882,000.80 is: 11,813,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458,935.20 : 23,169,740.40 = 7,882,000.80 : x
  2. Step 2: Convert to fraction form
    15,458,935.20/23,169,740.40 = 7,882,000.80/x
  3. Step 3: Cross multiply
    15,458,935.20x = 23,169,740.40 × 7,882,000.80
  4. Step 4: Simplify right side
    15,458,935.20x = 182,623,912,368,592.31
  5. Step 5: Solve for x
    x = 182,623,912,368,592.31/15,458,935.20
  6. Step 6: Final answer
    x = 11,813,485.86

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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.