Home / 16,717,021.60-25,128,985.20-15,533,687.20

Finding the Fourth Proportional to 16,717,021.60, 25,128,985.20 and 15,533,687.20

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Solution

The fourth proportional to 16,717,021.60, 25,128,985.20 and 15,533,687.20 is: 23,350,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717,021.60 : 25,128,985.20 = 15,533,687.20 : x
  2. Step 2: Convert to fraction form
    16,717,021.60/25,128,985.20 = 15,533,687.20/x
  3. Step 3: Cross multiply
    16,717,021.60x = 25,128,985.20 × 15,533,687.20
  4. Step 4: Simplify right side
    16,717,021.60x = 390,345,795,750,229.44
  5. Step 5: Solve for x
    x = 390,345,795,750,229.44/16,717,021.60
  6. Step 6: Final answer
    x = 23,350,199.88

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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.