Home / 13,753,021.18-20,630,217.02-5,234,017.90

Finding the Fourth Proportional to 13,753,021.18, 20,630,217.02 and 5,234,017.90

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Solution

The fourth proportional to 13,753,021.18, 20,630,217.02 and 5,234,017.90 is: 7,851,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,021.18 : 20,630,217.02 = 5,234,017.90 : x
  2. Step 2: Convert to fraction form
    13,753,021.18/20,630,217.02 = 5,234,017.90/x
  3. Step 3: Cross multiply
    13,753,021.18x = 20,630,217.02 × 5,234,017.90
  4. Step 4: Simplify right side
    13,753,021.18x = 107,978,925,060,413.56
  5. Step 5: Solve for x
    x = 107,978,925,060,413.56/13,753,021.18
  6. Step 6: Final answer
    x = 7,851,287.63

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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.