Home / 12,136,590.97-16,749,005.28-6,979,957.22

Finding the Fourth Proportional to 12,136,590.97, 16,749,005.28 and 6,979,957.22

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Solution

The fourth proportional to 12,136,590.97, 16,749,005.28 and 6,979,957.22 is: 9,632,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,590.97 : 16,749,005.28 = 6,979,957.22 : x
  2. Step 2: Convert to fraction form
    12,136,590.97/16,749,005.28 = 6,979,957.22/x
  3. Step 3: Cross multiply
    12,136,590.97x = 16,749,005.28 × 6,979,957.22
  4. Step 4: Simplify right side
    12,136,590.97x = 116,907,340,347,651.80
  5. Step 5: Solve for x
    x = 116,907,340,347,651.80/12,136,590.97
  6. Step 6: Final answer
    x = 9,632,634.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.