Home / 19,721,361.60-29,568,045.60-8,943,825.60

Finding the Fourth Proportional to 19,721,361.60, 29,568,045.60 and 8,943,825.60

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Solution

The fourth proportional to 19,721,361.60, 29,568,045.60 and 8,943,825.60 is: 13,409,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721,361.60 : 29,568,045.60 = 8,943,825.60 : x
  2. Step 2: Convert to fraction form
    19,721,361.60/29,568,045.60 = 8,943,825.60/x
  3. Step 3: Cross multiply
    19,721,361.60x = 29,568,045.60 × 8,943,825.60
  4. Step 4: Simplify right side
    19,721,361.60x = 264,451,443,179,247.38
  5. Step 5: Solve for x
    x = 264,451,443,179,247.38/19,721,361.60
  6. Step 6: Final answer
    x = 13,409,390.72

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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.