Home / 5,011,018.20-6,915,223.44-2,719,178.80

Finding the Fourth Proportional to 5,011,018.20, 6,915,223.44 and 2,719,178.80

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Solution

The fourth proportional to 5,011,018.20, 6,915,223.44 and 2,719,178.80 is: 3,752,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011,018.20 : 6,915,223.44 = 2,719,178.80 : x
  2. Step 2: Convert to fraction form
    5,011,018.20/6,915,223.44 = 2,719,178.80/x
  3. Step 3: Cross multiply
    5,011,018.20x = 6,915,223.44 × 2,719,178.80
  4. Step 4: Simplify right side
    5,011,018.20x = 18,803,728,975,311.07
  5. Step 5: Solve for x
    x = 18,803,728,975,311.07/5,011,018.20
  6. Step 6: Final answer
    x = 3,752,476.69

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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.