Home / 16,880,378.50-23,294,945.46-9,145,421.20

Finding the Fourth Proportional to 16,880,378.50, 23,294,945.46 and 9,145,421.20

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Solution

The fourth proportional to 16,880,378.50, 23,294,945.46 and 9,145,421.20 is: 12,620,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880,378.50 : 23,294,945.46 = 9,145,421.20 : x
  2. Step 2: Convert to fraction form
    16,880,378.50/23,294,945.46 = 9,145,421.20/x
  3. Step 3: Cross multiply
    16,880,378.50x = 23,294,945.46 × 9,145,421.20
  4. Step 4: Simplify right side
    16,880,378.50x = 213,042,088,062,727.75
  5. Step 5: Solve for x
    x = 213,042,088,062,727.75/16,880,378.50
  6. Step 6: Final answer
    x = 12,620,693.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.