Home / 10,861,851.56-14,987,688.90-6,277,287.56

Finding the Fourth Proportional to 10,861,851.56, 14,987,688.90 and 6,277,287.56

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Solution

The fourth proportional to 10,861,851.56, 14,987,688.90 and 6,277,287.56 is: 8,661,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,851.56 : 14,987,688.90 = 6,277,287.56 : x
  2. Step 2: Convert to fraction form
    10,861,851.56/14,987,688.90 = 6,277,287.56/x
  3. Step 3: Cross multiply
    10,861,851.56x = 14,987,688.90 × 6,277,287.56
  4. Step 4: Simplify right side
    10,861,851.56x = 94,082,033,085,120.08
  5. Step 5: Solve for x
    x = 94,082,033,085,120.08/10,861,851.56
  6. Step 6: Final answer
    x = 8,661,693.87

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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.