Home / 21,272,095.39-29,355,552.43-12,332,942.80

Finding the Fourth Proportional to 21,272,095.39, 29,355,552.43 and 12,332,942.80

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Solution

The fourth proportional to 21,272,095.39, 29,355,552.43 and 12,332,942.80 is: 17,019,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272,095.39 : 29,355,552.43 = 12,332,942.80 : x
  2. Step 2: Convert to fraction form
    21,272,095.39/29,355,552.43 = 12,332,942.80/x
  3. Step 3: Cross multiply
    21,272,095.39x = 29,355,552.43 × 12,332,942.80
  4. Step 4: Simplify right side
    21,272,095.39x = 362,040,349,120,537.62
  5. Step 5: Solve for x
    x = 362,040,349,120,537.62/21,272,095.39
  6. Step 6: Final answer
    x = 17,019,496.32

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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.