Home / 12,523,234.28-18,771,740.67-5,240,866.43

Finding the Fourth Proportional to 12,523,234.28, 18,771,740.67 and 5,240,866.43

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Solution

The fourth proportional to 12,523,234.28, 18,771,740.67 and 5,240,866.43 is: 7,855,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523,234.28 : 18,771,740.67 = 5,240,866.43 : x
  2. Step 2: Convert to fraction form
    12,523,234.28/18,771,740.67 = 5,240,866.43/x
  3. Step 3: Cross multiply
    12,523,234.28x = 18,771,740.67 × 5,240,866.43
  4. Step 4: Simplify right side
    12,523,234.28x = 98,380,185,556,998.08
  5. Step 5: Solve for x
    x = 98,380,185,556,998.08/12,523,234.28
  6. Step 6: Final answer
    x = 7,855,812.91

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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.