Home / 16,915,890.75-23,343,952.31-9,180,933.18

Finding the Fourth Proportional to 16,915,890.75, 23,343,952.31 and 9,180,933.18

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Solution

The fourth proportional to 16,915,890.75, 23,343,952.31 and 9,180,933.18 is: 12,669,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,890.75 : 23,343,952.31 = 9,180,933.18 : x
  2. Step 2: Convert to fraction form
    16,915,890.75/23,343,952.31 = 9,180,933.18/x
  3. Step 3: Cross multiply
    16,915,890.75x = 23,343,952.31 × 9,180,933.18
  4. Step 4: Simplify right side
    16,915,890.75x = 214,319,266,315,216.62
  5. Step 5: Solve for x
    x = 214,319,266,315,216.62/16,915,890.75
  6. Step 6: Final answer
    x = 12,669,700.31

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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.