Home / 40,077,295.72-55,306,687.62-21,742,576.36

Finding the Fourth Proportional to 40,077,295.72, 55,306,687.62 and 21,742,576.36

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Solution

The fourth proportional to 40,077,295.72, 55,306,687.62 and 21,742,576.36 is: 30,004,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077,295.72 : 55,306,687.62 = 21,742,576.36 : x
  2. Step 2: Convert to fraction form
    40,077,295.72/55,306,687.62 = 21,742,576.36/x
  3. Step 3: Cross multiply
    40,077,295.72x = 55,306,687.62 × 21,742,576.36
  4. Step 4: Simplify right side
    40,077,295.72x = 1,202,509,878,796,516.50
  5. Step 5: Solve for x
    x = 1,202,509,878,796,516.50/40,077,295.72
  6. Step 6: Final answer
    x = 30,004,765.97

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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.