Home / 28,076,200.20-42,145,793.10-21,714,654.60

Finding the Fourth Proportional to 28,076,200.20, 42,145,793.10 and 21,714,654.60

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Solution

The fourth proportional to 28,076,200.20, 42,145,793.10 and 21,714,654.60 is: 32,596,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076,200.20 : 42,145,793.10 = 21,714,654.60 : x
  2. Step 2: Convert to fraction form
    28,076,200.20/42,145,793.10 = 21,714,654.60/x
  3. Step 3: Cross multiply
    28,076,200.20x = 42,145,793.10 × 21,714,654.60
  4. Step 4: Simplify right side
    28,076,200.20x = 915,181,340,009,563.38
  5. Step 5: Solve for x
    x = 915,181,340,009,563.38/28,076,200.20
  6. Step 6: Final answer
    x = 32,596,339.02

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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.