Home / 6,620,879.20-9,931,318.80-5,907,042.40

Finding the Fourth Proportional to 6,620,879.20, 9,931,318.80 and 5,907,042.40

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Solution

The fourth proportional to 6,620,879.20, 9,931,318.80 and 5,907,042.40 is: 8,860,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,879.20 : 9,931,318.80 = 5,907,042.40 : x
  2. Step 2: Convert to fraction form
    6,620,879.20/9,931,318.80 = 5,907,042.40/x
  3. Step 3: Cross multiply
    6,620,879.20x = 9,931,318.80 × 5,907,042.40
  4. Step 4: Simplify right side
    6,620,879.20x = 58,664,721,239,517.12
  5. Step 5: Solve for x
    x = 58,664,721,239,517.12/6,620,879.20
  6. Step 6: Final answer
    x = 8,860,563.60

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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.