Home / 43,986,015.20-65,995,611.60-21,287,007.20

Finding the Fourth Proportional to 43,986,015.20, 65,995,611.60 and 21,287,007.20

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Solution

The fourth proportional to 43,986,015.20, 65,995,611.60 and 21,287,007.20 is: 31,938,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986,015.20 : 65,995,611.60 = 21,287,007.20 : x
  2. Step 2: Convert to fraction form
    43,986,015.20/65,995,611.60 = 21,287,007.20/x
  3. Step 3: Cross multiply
    43,986,015.20x = 65,995,611.60 × 21,287,007.20
  4. Step 4: Simplify right side
    43,986,015.20x = 1,404,849,059,297,603.50
  5. Step 5: Solve for x
    x = 1,404,849,059,297,603.50/43,986,015.20
  6. Step 6: Final answer
    x = 31,938,538.94

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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.