Home / 28,597,621.20-42,896,431.80-9,423,754.80

Finding the Fourth Proportional to 28,597,621.20, 42,896,431.80 and 9,423,754.80

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Solution

The fourth proportional to 28,597,621.20, 42,896,431.80 and 9,423,754.80 is: 14,135,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597,621.20 : 42,896,431.80 = 9,423,754.80 : x
  2. Step 2: Convert to fraction form
    28,597,621.20/42,896,431.80 = 9,423,754.80/x
  3. Step 3: Cross multiply
    28,597,621.20x = 42,896,431.80 × 9,423,754.80
  4. Step 4: Simplify right side
    28,597,621.20x = 404,245,455,078,122.62
  5. Step 5: Solve for x
    x = 404,245,455,078,122.62/28,597,621.20
  6. Step 6: Final answer
    x = 14,135,632.20

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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.