Home / 13,608,842.40-20,413,263.60-9,073,879.20

Finding the Fourth Proportional to 13,608,842.40, 20,413,263.60 and 9,073,879.20

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Solution

The fourth proportional to 13,608,842.40, 20,413,263.60 and 9,073,879.20 is: 13,610,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,842.40 : 20,413,263.60 = 9,073,879.20 : x
  2. Step 2: Convert to fraction form
    13,608,842.40/20,413,263.60 = 9,073,879.20/x
  3. Step 3: Cross multiply
    13,608,842.40x = 20,413,263.60 × 9,073,879.20
  4. Step 4: Simplify right side
    13,608,842.40x = 185,227,487,984,157.12
  5. Step 5: Solve for x
    x = 185,227,487,984,157.12/13,608,842.40
  6. Step 6: Final answer
    x = 13,610,818.80

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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.