Home / 7,625,965.50-11,438,937.72-1,946,189.70

Finding the Fourth Proportional to 7,625,965.50, 11,438,937.72 and 1,946,189.70

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Solution

The fourth proportional to 7,625,965.50, 11,438,937.72 and 1,946,189.70 is: 2,919,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625,965.50 : 11,438,937.72 = 1,946,189.70 : x
  2. Step 2: Convert to fraction form
    7,625,965.50/11,438,937.72 = 1,946,189.70/x
  3. Step 3: Cross multiply
    7,625,965.50x = 11,438,937.72 × 1,946,189.70
  4. Step 4: Simplify right side
    7,625,965.50x = 22,262,342,769,605.48
  5. Step 5: Solve for x
    x = 22,262,342,769,605.48/7,625,965.50
  6. Step 6: Final answer
    x = 2,919,281.86

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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.