Home / 20,268,309.76-27,970,294.48-10,975,895.84

Finding the Fourth Proportional to 20,268,309.76, 27,970,294.48 and 10,975,895.84

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Solution

The fourth proportional to 20,268,309.76, 27,970,294.48 and 10,975,895.84 is: 15,146,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,309.76 : 27,970,294.48 = 10,975,895.84 : x
  2. Step 2: Convert to fraction form
    20,268,309.76/27,970,294.48 = 10,975,895.84/x
  3. Step 3: Cross multiply
    20,268,309.76x = 27,970,294.48 × 10,975,895.84
  4. Step 4: Simplify right side
    20,268,309.76x = 306,999,038,826,606.94
  5. Step 5: Solve for x
    x = 306,999,038,826,606.94/20,268,309.76
  6. Step 6: Final answer
    x = 15,146,750.89

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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.