Home / 28,546,149.60-39,392,686.26-15,493,147.02

Finding the Fourth Proportional to 28,546,149.60, 39,392,686.26 and 15,493,147.02

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Solution

The fourth proportional to 28,546,149.60, 39,392,686.26 and 15,493,147.02 is: 21,380,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,149.60 : 39,392,686.26 = 15,493,147.02 : x
  2. Step 2: Convert to fraction form
    28,546,149.60/39,392,686.26 = 15,493,147.02/x
  3. Step 3: Cross multiply
    28,546,149.60x = 39,392,686.26 × 15,493,147.02
  4. Step 4: Simplify right side
    28,546,149.60x = 610,316,679,738,913.88
  5. Step 5: Solve for x
    x = 610,316,679,738,913.88/28,546,149.60
  6. Step 6: Final answer
    x = 21,380,000.05

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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.