Home / 12,428,273.86-18,641,260.55-5,861,477.07

Finding the Fourth Proportional to 12,428,273.86, 18,641,260.55 and 5,861,477.07

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Solution

The fourth proportional to 12,428,273.86, 18,641,260.55 and 5,861,477.07 is: 8,791,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428,273.86 : 18,641,260.55 = 5,861,477.07 : x
  2. Step 2: Convert to fraction form
    12,428,273.86/18,641,260.55 = 5,861,477.07/x
  3. Step 3: Cross multiply
    12,428,273.86x = 18,641,260.55 × 5,861,477.07
  4. Step 4: Simplify right side
    12,428,273.86x = 109,265,321,287,016.36
  5. Step 5: Solve for x
    x = 109,265,321,287,016.36/12,428,273.86
  6. Step 6: Final answer
    x = 8,791,673.12

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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.