Home / 8,463,905.20-11,683,763.20-5,714,315.64

Finding the Fourth Proportional to 8,463,905.20, 11,683,763.20 and 5,714,315.64

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Solution

The fourth proportional to 8,463,905.20, 11,683,763.20 and 5,714,315.64 is: 7,888,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463,905.20 : 11,683,763.20 = 5,714,315.64 : x
  2. Step 2: Convert to fraction form
    8,463,905.20/11,683,763.20 = 5,714,315.64/x
  3. Step 3: Cross multiply
    8,463,905.20x = 11,683,763.20 × 5,714,315.64
  4. Step 4: Simplify right side
    8,463,905.20x = 66,764,710,787,816.44
  5. Step 5: Solve for x
    x = 66,764,710,787,816.44/8,463,905.20
  6. Step 6: Final answer
    x = 7,888,168.55

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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.