Home / 30,178,408.67-41,651,639-17,787,778.82

Finding the Fourth Proportional to 30,178,408.67, 41,651,639 and 17,787,778.82

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Solution

The fourth proportional to 30,178,408.67, 41,651,639 and 17,787,778.82 is: 24,550,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178,408.67 : 41,651,639 = 17,787,778.82 : x
  2. Step 2: Convert to fraction form
    30,178,408.67/41,651,639 = 17,787,778.82/x
  3. Step 3: Cross multiply
    30,178,408.67x = 41,651,639 × 17,787,778.82
  4. Step 4: Simplify right side
    30,178,408.67x = 740,890,142,022,486
  5. Step 5: Solve for x
    x = 740,890,142,022,486/30,178,408.67
  6. Step 6: Final answer
    x = 24,550,338.29

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1.5x scale

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.