Home / 20,268,293.40-27,970,271.87-10,975,879.52

Finding the Fourth Proportional to 20,268,293.40, 27,970,271.87 and 10,975,879.52

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Solution

The fourth proportional to 20,268,293.40, 27,970,271.87 and 10,975,879.52 is: 15,146,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,293.40 : 27,970,271.87 = 10,975,879.52 : x
  2. Step 2: Convert to fraction form
    20,268,293.40/27,970,271.87 = 10,975,879.52/x
  3. Step 3: Cross multiply
    20,268,293.40x = 27,970,271.87 × 10,975,879.52
  4. Step 4: Simplify right side
    20,268,293.40x = 306,998,333,992,034.38
  5. Step 5: Solve for x
    x = 306,998,333,992,034.38/20,268,293.40
  6. Step 6: Final answer
    x = 15,146,728.34

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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.