Home / 37,902,712.10-52,305,742.74-20,499,057.36

Finding the Fourth Proportional to 37,902,712.10, 52,305,742.74 and 20,499,057.36

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Solution

The fourth proportional to 37,902,712.10, 52,305,742.74 and 20,499,057.36 is: 28,288,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,902,712.10 : 52,305,742.74 = 20,499,057.36 : x
  2. Step 2: Convert to fraction form
    37,902,712.10/52,305,742.74 = 20,499,057.36/x
  3. Step 3: Cross multiply
    37,902,712.10x = 52,305,742.74 × 20,499,057.36
  4. Step 4: Simplify right side
    37,902,712.10x = 1,072,218,420,684,663.62
  5. Step 5: Solve for x
    x = 1,072,218,420,684,663.62/37,902,712.10
  6. Step 6: Final answer
    x = 28,288,699.18

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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.