Home / 30,354,631.64-41,889,517.01-16,415,986.44

Finding the Fourth Proportional to 30,354,631.64, 41,889,517.01 and 16,415,986.44

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Solution

The fourth proportional to 30,354,631.64, 41,889,517.01 and 16,415,986.44 is: 22,654,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354,631.64 : 41,889,517.01 = 16,415,986.44 : x
  2. Step 2: Convert to fraction form
    30,354,631.64/41,889,517.01 = 16,415,986.44/x
  3. Step 3: Cross multiply
    30,354,631.64x = 41,889,517.01 × 16,415,986.44
  4. Step 4: Simplify right side
    30,354,631.64x = 687,657,743,214,309.25
  5. Step 5: Solve for x
    x = 687,657,743,214,309.25/30,354,631.64
  6. Step 6: Final answer
    x = 22,654,129.08

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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.