Home / 9,669,909.40-14,510,112.90-3,990,707.80

Finding the Fourth Proportional to 9,669,909.40, 14,510,112.90 and 3,990,707.80

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Solution

The fourth proportional to 9,669,909.40, 14,510,112.90 and 3,990,707.80 is: 5,988,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669,909.40 : 14,510,112.90 = 3,990,707.80 : x
  2. Step 2: Convert to fraction form
    9,669,909.40/14,510,112.90 = 3,990,707.80/x
  3. Step 3: Cross multiply
    9,669,909.40x = 14,510,112.90 × 3,990,707.80
  4. Step 4: Simplify right side
    9,669,909.40x = 57,905,620,728,910.62
  5. Step 5: Solve for x
    x = 57,905,620,728,910.62/9,669,909.40
  6. Step 6: Final answer
    x = 5,988,227.85

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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.