Home / 20,185,833.22-30,268,110.07-8,812,995.82

Finding the Fourth Proportional to 20,185,833.22, 30,268,110.07 and 8,812,995.82

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Solution

The fourth proportional to 20,185,833.22, 30,268,110.07 and 8,812,995.82 is: 13,214,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,833.22 : 30,268,110.07 = 8,812,995.82 : x
  2. Step 2: Convert to fraction form
    20,185,833.22/30,268,110.07 = 8,812,995.82/x
  3. Step 3: Cross multiply
    20,185,833.22x = 30,268,110.07 × 8,812,995.82
  4. Step 4: Simplify right side
    20,185,833.22x = 266,752,727,461,555.91
  5. Step 5: Solve for x
    x = 266,752,727,461,555.91/20,185,833.22
  6. Step 6: Final answer
    x = 13,214,848.48

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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.