Home / 15,342,361.44-21,172,437.36-8,466,842.40

Finding the Fourth Proportional to 15,342,361.44, 21,172,437.36 and 8,466,842.40

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Solution

The fourth proportional to 15,342,361.44, 21,172,437.36 and 8,466,842.40 is: 11,684,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,361.44 : 21,172,437.36 = 8,466,842.40 : x
  2. Step 2: Convert to fraction form
    15,342,361.44/21,172,437.36 = 8,466,842.40/x
  3. Step 3: Cross multiply
    15,342,361.44x = 21,172,437.36 × 8,466,842.40
  4. Step 4: Simplify right side
    15,342,361.44x = 179,263,690,350,992.06
  5. Step 5: Solve for x
    x = 179,263,690,350,992.06/15,342,361.44
  6. Step 6: Final answer
    x = 11,684,230.69

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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.