Home / 20,707,550.20-31,061,033.70-9,347,980.60

Finding the Fourth Proportional to 20,707,550.20, 31,061,033.70 and 9,347,980.60

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Solution

The fourth proportional to 20,707,550.20, 31,061,033.70 and 9,347,980.60 is: 14,021,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707,550.20 : 31,061,033.70 = 9,347,980.60 : x
  2. Step 2: Convert to fraction form
    20,707,550.20/31,061,033.70 = 9,347,980.60/x
  3. Step 3: Cross multiply
    20,707,550.20x = 31,061,033.70 × 9,347,980.60
  4. Step 4: Simplify right side
    20,707,550.20x = 290,357,940,443,546.19
  5. Step 5: Solve for x
    x = 290,357,940,443,546.19/20,707,550.20
  6. Step 6: Final answer
    x = 14,021,839.26

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1.5x scale

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.