Home / 31,993,816.40-47,990,724.60-14,042,920.40

Finding the Fourth Proportional to 31,993,816.40, 47,990,724.60 and 14,042,920.40

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Solution

The fourth proportional to 31,993,816.40, 47,990,724.60 and 14,042,920.40 is: 21,064,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993,816.40 : 47,990,724.60 = 14,042,920.40 : x
  2. Step 2: Convert to fraction form
    31,993,816.40/47,990,724.60 = 14,042,920.40/x
  3. Step 3: Cross multiply
    31,993,816.40x = 47,990,724.60 × 14,042,920.40
  4. Step 4: Simplify right side
    31,993,816.40x = 673,929,925,496,121.88
  5. Step 5: Solve for x
    x = 673,929,925,496,121.88/31,993,816.40
  6. Step 6: Final answer
    x = 21,064,380.60

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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.