Home / 18,727,601.88-28,093,271.94-5,080,962.36

Finding the Fourth Proportional to 18,727,601.88, 28,093,271.94 and 5,080,962.36

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Solution

The fourth proportional to 18,727,601.88, 28,093,271.94 and 5,080,962.36 is: 7,621,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,601.88 : 28,093,271.94 = 5,080,962.36 : x
  2. Step 2: Convert to fraction form
    18,727,601.88/28,093,271.94 = 5,080,962.36/x
  3. Step 3: Cross multiply
    18,727,601.88x = 28,093,271.94 × 5,080,962.36
  4. Step 4: Simplify right side
    18,727,601.88x = 142,740,857,296,384.19
  5. Step 5: Solve for x
    x = 142,740,857,296,384.19/18,727,601.88
  6. Step 6: Final answer
    x = 7,621,950.65

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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.