Home / 20,683,632.83-28,546,516.46-15,713,896.19

Finding the Fourth Proportional to 20,683,632.83, 28,546,516.46 and 15,713,896.19

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Solution

The fourth proportional to 20,683,632.83, 28,546,516.46 and 15,713,896.19 is: 21,687,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683,632.83 : 28,546,516.46 = 15,713,896.19 : x
  2. Step 2: Convert to fraction form
    20,683,632.83/28,546,516.46 = 15,713,896.19/x
  3. Step 3: Cross multiply
    20,683,632.83x = 28,546,516.46 × 15,713,896.19
  4. Step 4: Simplify right side
    20,683,632.83x = 448,576,996,135,118.44
  5. Step 5: Solve for x
    x = 448,576,996,135,118.44/20,683,632.83
  6. Step 6: Final answer
    x = 21,687,534.29

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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.