Home / 20,754,443.30-31,097,505.02-7,100,125.47

Finding the Fourth Proportional to 20,754,443.30, 31,097,505.02 and 7,100,125.47

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Solution

The fourth proportional to 20,754,443.30, 31,097,505.02 and 7,100,125.47 is: 10,638,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,443.30 : 31,097,505.02 = 7,100,125.47 : x
  2. Step 2: Convert to fraction form
    20,754,443.30/31,097,505.02 = 7,100,125.47/x
  3. Step 3: Cross multiply
    20,754,443.30x = 31,097,505.02 × 7,100,125.47
  4. Step 4: Simplify right side
    20,754,443.30x = 220,796,187,410,454.22
  5. Step 5: Solve for x
    x = 220,796,187,410,454.22/20,754,443.30
  6. Step 6: Final answer
    x = 10,638,502.04

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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.