Home / 12,216,424.32-18,308,695.68-6,824,856.96

Finding the Fourth Proportional to 12,216,424.32, 18,308,695.68 and 6,824,856.96

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Solution

The fourth proportional to 12,216,424.32, 18,308,695.68 and 6,824,856.96 is: 10,228,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,424.32 : 18,308,695.68 = 6,824,856.96 : x
  2. Step 2: Convert to fraction form
    12,216,424.32/18,308,695.68 = 6,824,856.96/x
  3. Step 3: Cross multiply
    12,216,424.32x = 18,308,695.68 × 6,824,856.96
  4. Step 4: Simplify right side
    12,216,424.32x = 124,954,229,140,169.94
  5. Step 5: Solve for x
    x = 124,954,229,140,169.94/12,216,424.32
  6. Step 6: Final answer
    x = 10,228,379.91

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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.