Home / 8,240,722.20-12,366,988.20-4,642,669.80

Finding the Fourth Proportional to 8,240,722.20, 12,366,988.20 and 4,642,669.80

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Solution

The fourth proportional to 8,240,722.20, 12,366,988.20 and 4,642,669.80 is: 6,967,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,722.20 : 12,366,988.20 = 4,642,669.80 : x
  2. Step 2: Convert to fraction form
    8,240,722.20/12,366,988.20 = 4,642,669.80/x
  3. Step 3: Cross multiply
    8,240,722.20x = 12,366,988.20 × 4,642,669.80
  4. Step 4: Simplify right side
    8,240,722.20x = 57,415,842,633,096.35
  5. Step 5: Solve for x
    x = 57,415,842,633,096.35/8,240,722.20
  6. Step 6: Final answer
    x = 6,967,331.41

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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.