Home / 12,506,571.45-18,761,370.30-4,417,891.81

Finding the Fourth Proportional to 12,506,571.45, 18,761,370.30 and 4,417,891.81

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Solution

The fourth proportional to 12,506,571.45, 18,761,370.30 and 4,417,891.81 is: 6,627,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,571.45 : 18,761,370.30 = 4,417,891.81 : x
  2. Step 2: Convert to fraction form
    12,506,571.45/18,761,370.30 = 4,417,891.81/x
  3. Step 3: Cross multiply
    12,506,571.45x = 18,761,370.30 × 4,417,891.81
  4. Step 4: Simplify right side
    12,506,571.45x = 82,885,704,145,843.83
  5. Step 5: Solve for x
    x = 82,885,704,145,843.83/12,506,571.45
  6. Step 6: Final answer
    x = 6,627,372.22

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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.