Home / 10,918,054.80-16,344,734.04-8,090,856.72

Finding the Fourth Proportional to 10,918,054.80, 16,344,734.04 and 8,090,856.72

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Solution

The fourth proportional to 10,918,054.80, 16,344,734.04 and 8,090,856.72 is: 12,112,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,054.80 : 16,344,734.04 = 8,090,856.72 : x
  2. Step 2: Convert to fraction form
    10,918,054.80/16,344,734.04 = 8,090,856.72/x
  3. Step 3: Cross multiply
    10,918,054.80x = 16,344,734.04 × 8,090,856.72
  4. Step 4: Simplify right side
    10,918,054.80x = 132,242,901,244,146.73
  5. Step 5: Solve for x
    x = 132,242,901,244,146.73/10,918,054.80
  6. Step 6: Final answer
    x = 12,112,313.38

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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.