Home / 21,413,458.65-29,550,610.71-11,623,909.62

Finding the Fourth Proportional to 21,413,458.65, 29,550,610.71 and 11,623,909.62

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Solution

The fourth proportional to 21,413,458.65, 29,550,610.71 and 11,623,909.62 is: 16,041,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413,458.65 : 29,550,610.71 = 11,623,909.62 : x
  2. Step 2: Convert to fraction form
    21,413,458.65/29,550,610.71 = 11,623,909.62/x
  3. Step 3: Cross multiply
    21,413,458.65x = 29,550,610.71 × 11,623,909.62
  4. Step 4: Simplify right side
    21,413,458.65x = 343,493,628,108,844
  5. Step 5: Solve for x
    x = 343,493,628,108,844/21,413,458.65
  6. Step 6: Final answer
    x = 16,041,015.78

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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.