Home / 20,955,754.16-31,438,862.64-7,309,096.64

Finding the Fourth Proportional to 20,955,754.16, 31,438,862.64 and 7,309,096.64

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Solution

The fourth proportional to 20,955,754.16, 31,438,862.64 and 7,309,096.64 is: 10,965,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955,754.16 : 31,438,862.64 = 7,309,096.64 : x
  2. Step 2: Convert to fraction form
    20,955,754.16/31,438,862.64 = 7,309,096.64/x
  3. Step 3: Cross multiply
    20,955,754.16x = 31,438,862.64 × 7,309,096.64
  4. Step 4: Simplify right side
    20,955,754.16x = 229,789,685,287,445.53
  5. Step 5: Solve for x
    x = 229,789,685,287,445.53/20,955,754.16
  6. Step 6: Final answer
    x = 10,965,469.60

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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.