Home / 7,777,332.90-11,665,999.35-4,787,201.70

Finding the Fourth Proportional to 7,777,332.90, 11,665,999.35 and 4,787,201.70

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Solution

The fourth proportional to 7,777,332.90, 11,665,999.35 and 4,787,201.70 is: 7,180,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,332.90 : 11,665,999.35 = 4,787,201.70 : x
  2. Step 2: Convert to fraction form
    7,777,332.90/11,665,999.35 = 4,787,201.70/x
  3. Step 3: Cross multiply
    7,777,332.90x = 11,665,999.35 × 4,787,201.70
  4. Step 4: Simplify right side
    7,777,332.90x = 55,847,491,920,518.90
  5. Step 5: Solve for x
    x = 55,847,491,920,518.90/7,777,332.90
  6. Step 6: Final answer
    x = 7,180,802.55

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1.5x scale

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.