Home / 23,139,972.98-31,932,471.46-12,685,632.01

Finding the Fourth Proportional to 23,139,972.98, 31,932,471.46 and 12,685,632.01

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Solution

The fourth proportional to 23,139,972.98, 31,932,471.46 and 12,685,632.01 is: 17,505,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139,972.98 : 31,932,471.46 = 12,685,632.01 : x
  2. Step 2: Convert to fraction form
    23,139,972.98/31,932,471.46 = 12,685,632.01/x
  3. Step 3: Cross multiply
    23,139,972.98x = 31,932,471.46 × 12,685,632.01
  4. Step 4: Simplify right side
    23,139,972.98x = 405,083,582,111,387.44
  5. Step 5: Solve for x
    x = 405,083,582,111,387.44/23,139,972.98
  6. Step 6: Final answer
    x = 17,505,793.22

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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.