Home / 16,915,857.24-23,343,905.52-9,180,899.56

Finding the Fourth Proportional to 16,915,857.24, 23,343,905.52 and 9,180,899.56

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Solution

The fourth proportional to 16,915,857.24, 23,343,905.52 and 9,180,899.56 is: 12,669,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,857.24 : 23,343,905.52 = 9,180,899.56 : x
  2. Step 2: Convert to fraction form
    16,915,857.24/23,343,905.52 = 9,180,899.56/x
  3. Step 3: Cross multiply
    16,915,857.24x = 23,343,905.52 × 9,180,899.56
  4. Step 4: Simplify right side
    16,915,857.24x = 214,318,051,933,521.09
  5. Step 5: Solve for x
    x = 214,318,051,933,521.09/16,915,857.24
  6. Step 6: Final answer
    x = 12,669,653.62

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1.5x scale

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.