Home / 20,682,010.26-31,025,071.17-7,913,254.50

Finding the Fourth Proportional to 20,682,010.26, 31,025,071.17 and 7,913,254.50

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Solution

The fourth proportional to 20,682,010.26, 31,025,071.17 and 7,913,254.50 is: 11,870,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,010.26 : 31,025,071.17 = 7,913,254.50 : x
  2. Step 2: Convert to fraction form
    20,682,010.26/31,025,071.17 = 7,913,254.50/x
  3. Step 3: Cross multiply
    20,682,010.26x = 31,025,071.17 × 7,913,254.50
  4. Step 4: Simplify right side
    20,682,010.26x = 245,509,284,048,822.78
  5. Step 5: Solve for x
    x = 245,509,284,048,822.78/20,682,010.26
  6. Step 6: Final answer
    x = 11,870,668.32

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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.