Home / 21,492,473.38-32,189,596.88-16,870,939.91

Finding the Fourth Proportional to 21,492,473.38, 32,189,596.88 and 16,870,939.91

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Solution

The fourth proportional to 21,492,473.38, 32,189,596.88 and 16,870,939.91 is: 25,267,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,473.38 : 32,189,596.88 = 16,870,939.91 : x
  2. Step 2: Convert to fraction form
    21,492,473.38/32,189,596.88 = 16,870,939.91/x
  3. Step 3: Cross multiply
    21,492,473.38x = 32,189,596.88 × 16,870,939.91
  4. Step 4: Simplify right side
    21,492,473.38x = 543,068,754,659,910.81
  5. Step 5: Solve for x
    x = 543,068,754,659,910.81/21,492,473.38
  6. Step 6: Final answer
    x = 25,267,857.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.