Home / 13,702,458.40-20,553,687.60-8,029,088.80

Finding the Fourth Proportional to 13,702,458.40, 20,553,687.60 and 8,029,088.80

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Solution

The fourth proportional to 13,702,458.40, 20,553,687.60 and 8,029,088.80 is: 12,043,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,458.40 : 20,553,687.60 = 8,029,088.80 : x
  2. Step 2: Convert to fraction form
    13,702,458.40/20,553,687.60 = 8,029,088.80/x
  3. Step 3: Cross multiply
    13,702,458.40x = 20,553,687.60 × 8,029,088.80
  4. Step 4: Simplify right side
    13,702,458.40x = 165,027,382,907,858.88
  5. Step 5: Solve for x
    x = 165,027,382,907,858.88/13,702,458.40
  6. Step 6: Final answer
    x = 12,043,633.20

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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.