Home / 30,690,982.63-42,347,233.52-17,635,719.27

Finding the Fourth Proportional to 30,690,982.63, 42,347,233.52 and 17,635,719.27

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Solution

The fourth proportional to 30,690,982.63, 42,347,233.52 and 17,635,719.27 is: 24,333,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690,982.63 : 42,347,233.52 = 17,635,719.27 : x
  2. Step 2: Convert to fraction form
    30,690,982.63/42,347,233.52 = 17,635,719.27/x
  3. Step 3: Cross multiply
    30,690,982.63x = 42,347,233.52 × 17,635,719.27
  4. Step 4: Simplify right side
    30,690,982.63x = 746,823,922,263,943.25
  5. Step 5: Solve for x
    x = 746,823,922,263,943.25/30,690,982.63
  6. Step 6: Final answer
    x = 24,333,659.54

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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.