Home / 8,513,046.72-12,758,480.64-3,458,448

Finding the Fourth Proportional to 8,513,046.72, 12,758,480.64 and 3,458,448

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Solution

The fourth proportional to 8,513,046.72, 12,758,480.64 and 3,458,448 is: 5,183,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,046.72 : 12,758,480.64 = 3,458,448 : x
  2. Step 2: Convert to fraction form
    8,513,046.72/12,758,480.64 = 3,458,448/x
  3. Step 3: Cross multiply
    8,513,046.72x = 12,758,480.64 × 3,458,448
  4. Step 4: Simplify right side
    8,513,046.72x = 44,124,541,852,446.72
  5. Step 5: Solve for x
    x = 44,124,541,852,446.72/8,513,046.72
  6. Step 6: Final answer
    x = 5,183,166.89

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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.