Home / 20,726,848.40-31,090,272.60-6,541,581.20

Finding the Fourth Proportional to 20,726,848.40, 31,090,272.60 and 6,541,581.20

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Solution

The fourth proportional to 20,726,848.40, 31,090,272.60 and 6,541,581.20 is: 9,812,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,848.40 : 31,090,272.60 = 6,541,581.20 : x
  2. Step 2: Convert to fraction form
    20,726,848.40/31,090,272.60 = 6,541,581.20/x
  3. Step 3: Cross multiply
    20,726,848.40x = 31,090,272.60 × 6,541,581.20
  4. Step 4: Simplify right side
    20,726,848.40x = 203,379,542,743,035.12
  5. Step 5: Solve for x
    x = 203,379,542,743,035.12/20,726,848.40
  6. Step 6: Final answer
    x = 9,812,371.80

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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.