Home / 30,638,250.42-42,280,871.31-16,887,269.22

Finding the Fourth Proportional to 30,638,250.42, 42,280,871.31 and 16,887,269.22

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Solution

The fourth proportional to 30,638,250.42, 42,280,871.31 and 16,887,269.22 is: 23,304,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638,250.42 : 42,280,871.31 = 16,887,269.22 : x
  2. Step 2: Convert to fraction form
    30,638,250.42/42,280,871.31 = 16,887,269.22/x
  3. Step 3: Cross multiply
    30,638,250.42x = 42,280,871.31 × 16,887,269.22
  4. Step 4: Simplify right side
    30,638,250.42x = 714,008,456,668,144.12
  5. Step 5: Solve for x
    x = 714,008,456,668,144.12/30,638,250.42
  6. Step 6: Final answer
    x = 23,304,478.78

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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.