Home / 30,640,822.32-42,284,324.34-16,890,016.08

Finding the Fourth Proportional to 30,640,822.32, 42,284,324.34 and 16,890,016.08

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Solution

The fourth proportional to 30,640,822.32, 42,284,324.34 and 16,890,016.08 is: 23,308,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,822.32 : 42,284,324.34 = 16,890,016.08 : x
  2. Step 2: Convert to fraction form
    30,640,822.32/42,284,324.34 = 16,890,016.08/x
  3. Step 3: Cross multiply
    30,640,822.32x = 42,284,324.34 × 16,890,016.08
  4. Step 4: Simplify right side
    30,640,822.32x = 714,182,918,034,535.38
  5. Step 5: Solve for x
    x = 714,182,918,034,535.38/30,640,822.32
  6. Step 6: Final answer
    x = 23,308,216.42

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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.