Home / 21,060,111.04-29,057,954.40-12,800,029.12

Finding the Fourth Proportional to 21,060,111.04, 29,057,954.40 and 12,800,029.12

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Solution

The fourth proportional to 21,060,111.04, 29,057,954.40 and 12,800,029.12 is: 17,661,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,111.04 : 29,057,954.40 = 12,800,029.12 : x
  2. Step 2: Convert to fraction form
    21,060,111.04/29,057,954.40 = 12,800,029.12/x
  3. Step 3: Cross multiply
    21,060,111.04x = 29,057,954.40 × 12,800,029.12
  4. Step 4: Simplify right side
    21,060,111.04x = 371,942,662,487,632.06
  5. Step 5: Solve for x
    x = 371,942,662,487,632.06/21,060,111.04
  6. Step 6: Final answer
    x = 17,661,001.97

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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.