Home / 13,932,003.80-20,898,005.70-10,530,781.40

Finding the Fourth Proportional to 13,932,003.80, 20,898,005.70 and 10,530,781.40

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Solution

The fourth proportional to 13,932,003.80, 20,898,005.70 and 10,530,781.40 is: 15,796,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932,003.80 : 20,898,005.70 = 10,530,781.40 : x
  2. Step 2: Convert to fraction form
    13,932,003.80/20,898,005.70 = 10,530,781.40/x
  3. Step 3: Cross multiply
    13,932,003.80x = 20,898,005.70 × 10,530,781.40
  4. Step 4: Simplify right side
    13,932,003.80x = 220,072,329,722,653.97
  5. Step 5: Solve for x
    x = 220,072,329,722,653.97/13,932,003.80
  6. Step 6: Final answer
    x = 15,796,172.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.