Home / 12,506,571.18-18,761,369.92-4,417,891.54

Finding the Fourth Proportional to 12,506,571.18, 18,761,369.92 and 4,417,891.54

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Solution

The fourth proportional to 12,506,571.18, 18,761,369.92 and 4,417,891.54 is: 6,627,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,571.18 : 18,761,369.92 = 4,417,891.54 : x
  2. Step 2: Convert to fraction form
    12,506,571.18/18,761,369.92 = 4,417,891.54/x
  3. Step 3: Cross multiply
    12,506,571.18x = 18,761,369.92 × 4,417,891.54
  4. Step 4: Simplify right side
    12,506,571.18x = 82,885,697,448,378.48
  5. Step 5: Solve for x
    x = 82,885,697,448,378.48/12,506,571.18
  6. Step 6: Final answer
    x = 6,627,371.82

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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.