Home / 20,676,517.51-31,018,145.25-6,104,909.97

Finding the Fourth Proportional to 20,676,517.51, 31,018,145.25 and 6,104,909.97

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Solution

The fourth proportional to 20,676,517.51, 31,018,145.25 and 6,104,909.97 is: 9,158,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,517.51 : 31,018,145.25 = 6,104,909.97 : x
  2. Step 2: Convert to fraction form
    20,676,517.51/31,018,145.25 = 6,104,909.97/x
  3. Step 3: Cross multiply
    20,676,517.51x = 31,018,145.25 × 6,104,909.97
  4. Step 4: Simplify right side
    20,676,517.51x = 189,362,984,002,017.88
  5. Step 5: Solve for x
    x = 189,362,984,002,017.88/20,676,517.51
  6. Step 6: Final answer
    x = 9,158,359.67

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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.