Home / 16,771,315.80-25,144,532.10-7,178,842.20

Finding the Fourth Proportional to 16,771,315.80, 25,144,532.10 and 7,178,842.20

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Solution

The fourth proportional to 16,771,315.80, 25,144,532.10 and 7,178,842.20 is: 10,762,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771,315.80 : 25,144,532.10 = 7,178,842.20 : x
  2. Step 2: Convert to fraction form
    16,771,315.80/25,144,532.10 = 7,178,842.20/x
  3. Step 3: Cross multiply
    16,771,315.80x = 25,144,532.10 × 7,178,842.20
  4. Step 4: Simplify right side
    16,771,315.80x = 180,508,628,138,734.62
  5. Step 5: Solve for x
    x = 180,508,628,138,734.62/16,771,315.80
  6. Step 6: Final answer
    x = 10,762,937.76

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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.