Home / 15,530,044.46-21,431,286.86-8,465,482.85

Finding the Fourth Proportional to 15,530,044.46, 21,431,286.86 and 8,465,482.85

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Solution

The fourth proportional to 15,530,044.46, 21,431,286.86 and 8,465,482.85 is: 11,682,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530,044.46 : 21,431,286.86 = 8,465,482.85 : x
  2. Step 2: Convert to fraction form
    15,530,044.46/21,431,286.86 = 8,465,482.85/x
  3. Step 3: Cross multiply
    15,530,044.46x = 21,431,286.86 × 8,465,482.85
  4. Step 4: Simplify right side
    15,530,044.46x = 181,426,191,217,276.53
  5. Step 5: Solve for x
    x = 181,426,191,217,276.53/15,530,044.46
  6. Step 6: Final answer
    x = 11,682,271.21

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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.