Home / 5,216,101.20-7,824,151.80-3,956,389.20

Finding the Fourth Proportional to 5,216,101.20, 7,824,151.80 and 3,956,389.20

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Solution

The fourth proportional to 5,216,101.20, 7,824,151.80 and 3,956,389.20 is: 5,934,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,101.20 : 7,824,151.80 = 3,956,389.20 : x
  2. Step 2: Convert to fraction form
    5,216,101.20/7,824,151.80 = 3,956,389.20/x
  3. Step 3: Cross multiply
    5,216,101.20x = 7,824,151.80 × 3,956,389.20
  4. Step 4: Simplify right side
    5,216,101.20x = 30,955,389,680,680.56
  5. Step 5: Solve for x
    x = 30,955,389,680,680.56/5,216,101.20
  6. Step 6: Final answer
    x = 5,934,583.80

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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.