Home / 43,370,018.45-65,048,628.56-12,656,351.16

Finding the Fourth Proportional to 43,370,018.45, 65,048,628.56 and 12,656,351.16

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Solution

The fourth proportional to 43,370,018.45, 65,048,628.56 and 12,656,351.16 is: 18,982,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370,018.45 : 65,048,628.56 = 12,656,351.16 : x
  2. Step 2: Convert to fraction form
    43,370,018.45/65,048,628.56 = 12,656,351.16/x
  3. Step 3: Cross multiply
    43,370,018.45x = 65,048,628.56 × 12,656,351.16
  4. Step 4: Simplify right side
    43,370,018.45x = 823,278,285,531,765.12
  5. Step 5: Solve for x
    x = 823,278,285,531,765.12/43,370,018.45
  6. Step 6: Final answer
    x = 18,982,659.33

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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.