Home / 20,754,467.55-31,097,541.39-7,100,149.72

Finding the Fourth Proportional to 20,754,467.55, 31,097,541.39 and 7,100,149.72

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Solution

The fourth proportional to 20,754,467.55, 31,097,541.39 and 7,100,149.72 is: 10,638,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,467.55 : 31,097,541.39 = 7,100,149.72 : x
  2. Step 2: Convert to fraction form
    20,754,467.55/31,097,541.39 = 7,100,149.72/x
  3. Step 3: Cross multiply
    20,754,467.55x = 31,097,541.39 × 7,100,149.72
  4. Step 4: Simplify right side
    20,754,467.55x = 220,797,199,792,896.91
  5. Step 5: Solve for x
    x = 220,797,199,792,896.91/20,754,467.55
  6. Step 6: Final answer
    x = 10,638,538.39

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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.