Home / 28,978,643.60-43,467,965.40-13,862,099.60

Finding the Fourth Proportional to 28,978,643.60, 43,467,965.40 and 13,862,099.60

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Solution

The fourth proportional to 28,978,643.60, 43,467,965.40 and 13,862,099.60 is: 20,793,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,643.60 : 43,467,965.40 = 13,862,099.60 : x
  2. Step 2: Convert to fraction form
    28,978,643.60/43,467,965.40 = 13,862,099.60/x
  3. Step 3: Cross multiply
    28,978,643.60x = 43,467,965.40 × 13,862,099.60
  4. Step 4: Simplify right side
    28,978,643.60x = 602,557,265,784,153.75
  5. Step 5: Solve for x
    x = 602,557,265,784,153.75/28,978,643.60
  6. Step 6: Final answer
    x = 20,793,149.40

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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.