Home / 30,551,968.09-42,162,515.03-16,614,138.37

Finding the Fourth Proportional to 30,551,968.09, 42,162,515.03 and 16,614,138.37

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Solution

The fourth proportional to 30,551,968.09, 42,162,515.03 and 16,614,138.37 is: 22,927,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,551,968.09 : 42,162,515.03 = 16,614,138.37 : x
  2. Step 2: Convert to fraction form
    30,551,968.09/42,162,515.03 = 16,614,138.37/x
  3. Step 3: Cross multiply
    30,551,968.09x = 42,162,515.03 × 16,614,138.37
  4. Step 4: Simplify right side
    30,551,968.09x = 700,493,858,499,244.50
  5. Step 5: Solve for x
    x = 700,493,858,499,244.50/30,551,968.09
  6. Step 6: Final answer
    x = 22,927,945.47

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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.