Home / 8,240,717.20-12,366,980.70-4,642,664.80

Finding the Fourth Proportional to 8,240,717.20, 12,366,980.70 and 4,642,664.80

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Solution

The fourth proportional to 8,240,717.20, 12,366,980.70 and 4,642,664.80 is: 6,967,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,717.20 : 12,366,980.70 = 4,642,664.80 : x
  2. Step 2: Convert to fraction form
    8,240,717.20/12,366,980.70 = 4,642,664.80/x
  3. Step 3: Cross multiply
    8,240,717.20x = 12,366,980.70 × 4,642,664.80
  4. Step 4: Simplify right side
    8,240,717.20x = 57,415,745,978,169.35
  5. Step 5: Solve for x
    x = 57,415,745,978,169.35/8,240,717.20
  6. Step 6: Final answer
    x = 6,967,323.91

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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.