Home / 16,856,657.76-25,284,984.72-7,142,800.80

Finding the Fourth Proportional to 16,856,657.76, 25,284,984.72 and 7,142,800.80

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Solution

The fourth proportional to 16,856,657.76, 25,284,984.72 and 7,142,800.80 is: 10,714,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856,657.76 : 25,284,984.72 = 7,142,800.80 : x
  2. Step 2: Convert to fraction form
    16,856,657.76/25,284,984.72 = 7,142,800.80/x
  3. Step 3: Cross multiply
    16,856,657.76x = 25,284,984.72 × 7,142,800.80
  4. Step 4: Simplify right side
    16,856,657.76x = 180,605,609,086,003.75
  5. Step 5: Solve for x
    x = 180,605,609,086,003.75/16,856,657.76
  6. Step 6: Final answer
    x = 10,714,200.39

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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.