Home / 9,984,005.20-14,976,007.80-7,860,638.80

Finding the Fourth Proportional to 9,984,005.20, 14,976,007.80 and 7,860,638.80

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Solution

The fourth proportional to 9,984,005.20, 14,976,007.80 and 7,860,638.80 is: 11,790,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984,005.20 : 14,976,007.80 = 7,860,638.80 : x
  2. Step 2: Convert to fraction form
    9,984,005.20/14,976,007.80 = 7,860,638.80/x
  3. Step 3: Cross multiply
    9,984,005.20x = 14,976,007.80 × 7,860,638.80
  4. Step 4: Simplify right side
    9,984,005.20x = 117,720,987,981,782.64
  5. Step 5: Solve for x
    x = 117,720,987,981,782.64/9,984,005.20
  6. Step 6: Final answer
    x = 11,790,958.20

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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.