Home / 38,865,980.39-58,259,954.50-13,289,498.15

Finding the Fourth Proportional to 38,865,980.39, 58,259,954.50 and 13,289,498.15

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Solution

The fourth proportional to 38,865,980.39, 58,259,954.50 and 13,289,498.15 is: 19,920,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865,980.39 : 58,259,954.50 = 13,289,498.15 : x
  2. Step 2: Convert to fraction form
    38,865,980.39/58,259,954.50 = 13,289,498.15/x
  3. Step 3: Cross multiply
    38,865,980.39x = 58,259,954.50 × 13,289,498.15
  4. Step 4: Simplify right side
    38,865,980.39x = 774,245,557,222,310.62
  5. Step 5: Solve for x
    x = 774,245,557,222,310.62/38,865,980.39
  6. Step 6: Final answer
    x = 19,920,906.40

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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.