Home / 7,782,442.94-11,680,748.37-4,142,228.83

Finding the Fourth Proportional to 7,782,442.94, 11,680,748.37 and 4,142,228.83

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Solution

The fourth proportional to 7,782,442.94, 11,680,748.37 and 4,142,228.83 is: 6,217,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,442.94 : 11,680,748.37 = 4,142,228.83 : x
  2. Step 2: Convert to fraction form
    7,782,442.94/11,680,748.37 = 4,142,228.83/x
  3. Step 3: Cross multiply
    7,782,442.94x = 11,680,748.37 × 4,142,228.83
  4. Step 4: Simplify right side
    7,782,442.94x = 48,384,332,624,987.63
  5. Step 5: Solve for x
    x = 48,384,332,624,987.63/7,782,442.94
  6. Step 6: Final answer
    x = 6,217,113.70

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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.