Home / 8,447,449.42-12,562,506.41-8,178,404.68

Finding the Fourth Proportional to 8,447,449.42, 12,562,506.41 and 8,178,404.68

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Solution

The fourth proportional to 8,447,449.42, 12,562,506.41 and 8,178,404.68 is: 12,162,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,449.42 : 12,562,506.41 = 8,178,404.68 : x
  2. Step 2: Convert to fraction form
    8,447,449.42/12,562,506.41 = 8,178,404.68/x
  3. Step 3: Cross multiply
    8,447,449.42x = 12,562,506.41 × 8,178,404.68
  4. Step 4: Simplify right side
    8,447,449.42x = 102,741,261,216,074
  5. Step 5: Solve for x
    x = 102,741,261,216,074/8,447,449.42
  6. Step 6: Final answer
    x = 12,162,400.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.