Home / 20,294,484.31-30,438,485.98-5,914,188.39

Finding the Fourth Proportional to 20,294,484.31, 30,438,485.98 and 5,914,188.39

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Solution

The fourth proportional to 20,294,484.31, 30,438,485.98 and 5,914,188.39 is: 8,870,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294,484.31 : 30,438,485.98 = 5,914,188.39 : x
  2. Step 2: Convert to fraction form
    20,294,484.31/30,438,485.98 = 5,914,188.39/x
  3. Step 3: Cross multiply
    20,294,484.31x = 30,438,485.98 × 5,914,188.39
  4. Step 4: Simplify right side
    20,294,484.31x = 180,018,940,320,236.12
  5. Step 5: Solve for x
    x = 180,018,940,320,236.12/20,294,484.31
  6. Step 6: Final answer
    x = 8,870,338.25

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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.