Home / 8,513,142.72-12,758,624.64-3,458,544

Finding the Fourth Proportional to 8,513,142.72, 12,758,624.64 and 3,458,544

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Solution

The fourth proportional to 8,513,142.72, 12,758,624.64 and 3,458,544 is: 5,183,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,142.72 : 12,758,624.64 = 3,458,544 : x
  2. Step 2: Convert to fraction form
    8,513,142.72/12,758,624.64 = 3,458,544/x
  3. Step 3: Cross multiply
    8,513,142.72x = 12,758,624.64 × 3,458,544
  4. Step 4: Simplify right side
    8,513,142.72x = 44,126,264,696,924.16
  5. Step 5: Solve for x
    x = 44,126,264,696,924.16/8,513,142.72
  6. Step 6: Final answer
    x = 5,183,310.81

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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.