Home / 21,567,555.38-32,351,619.09-7,190,627.78

Finding the Fourth Proportional to 21,567,555.38, 32,351,619.09 and 7,190,627.78

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Solution

The fourth proportional to 21,567,555.38, 32,351,619.09 and 7,190,627.78 is: 10,786,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,555.38 : 32,351,619.09 = 7,190,627.78 : x
  2. Step 2: Convert to fraction form
    21,567,555.38/32,351,619.09 = 7,190,627.78/x
  3. Step 3: Cross multiply
    21,567,555.38x = 32,351,619.09 × 7,190,627.78
  4. Step 4: Simplify right side
    21,567,555.38x = 232,628,450,956,532.31
  5. Step 5: Solve for x
    x = 232,628,450,956,532.31/21,567,555.38
  6. Step 6: Final answer
    x = 10,786,037.03

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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.