Home / 16,915,890.87-23,343,952.48-9,180,933.30

Finding the Fourth Proportional to 16,915,890.87, 23,343,952.48 and 9,180,933.30

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Solution

The fourth proportional to 16,915,890.87, 23,343,952.48 and 9,180,933.30 is: 12,669,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,890.87 : 23,343,952.48 = 9,180,933.30 : x
  2. Step 2: Convert to fraction form
    16,915,890.87/23,343,952.48 = 9,180,933.30/x
  3. Step 3: Cross multiply
    16,915,890.87x = 23,343,952.48 × 9,180,933.30
  4. Step 4: Simplify right side
    16,915,890.87x = 214,319,270,654,297.25
  5. Step 5: Solve for x
    x = 214,319,270,654,297.25/16,915,890.87
  6. Step 6: Final answer
    x = 12,669,700.48

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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.