Home / 20,483,490.54-30,721,065.12-7,525,187.46

Finding the Fourth Proportional to 20,483,490.54, 30,721,065.12 and 7,525,187.46

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Solution

The fourth proportional to 20,483,490.54, 30,721,065.12 and 7,525,187.46 is: 11,286,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,490.54 : 30,721,065.12 = 7,525,187.46 : x
  2. Step 2: Convert to fraction form
    20,483,490.54/30,721,065.12 = 7,525,187.46/x
  3. Step 3: Cross multiply
    20,483,490.54x = 30,721,065.12 × 7,525,187.46
  4. Step 4: Simplify right side
    20,483,490.54x = 231,181,773,998,867.41
  5. Step 5: Solve for x
    x = 231,181,773,998,867.41/20,483,490.54
  6. Step 6: Final answer
    x = 11,286,248.97

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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.