Home / 9,379,937.20-14,069,905.80-3,987,232.60

Finding the Fourth Proportional to 9,379,937.20, 14,069,905.80 and 3,987,232.60

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Solution

The fourth proportional to 9,379,937.20, 14,069,905.80 and 3,987,232.60 is: 5,980,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379,937.20 : 14,069,905.80 = 3,987,232.60 : x
  2. Step 2: Convert to fraction form
    9,379,937.20/14,069,905.80 = 3,987,232.60/x
  3. Step 3: Cross multiply
    9,379,937.20x = 14,069,905.80 × 3,987,232.60
  4. Step 4: Simplify right side
    9,379,937.20x = 56,099,987,084,689.09
  5. Step 5: Solve for x
    x = 56,099,987,084,689.09/9,379,937.20
  6. Step 6: Final answer
    x = 5,980,848.90

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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.