Home / 7,340,515.10-10,988,999.85-5,455,612.70

Finding the Fourth Proportional to 7,340,515.10, 10,988,999.85 and 5,455,612.70

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Solution

The fourth proportional to 7,340,515.10, 10,988,999.85 and 5,455,612.70 is: 8,167,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,515.10 : 10,988,999.85 = 5,455,612.70 : x
  2. Step 2: Convert to fraction form
    7,340,515.10/10,988,999.85 = 5,455,612.70/x
  3. Step 3: Cross multiply
    7,340,515.10x = 10,988,999.85 × 5,455,612.70
  4. Step 4: Simplify right side
    7,340,515.10x = 59,951,727,141,958.09
  5. Step 5: Solve for x
    x = 59,951,727,141,958.09/7,340,515.10
  6. Step 6: Final answer
    x = 8,167,237.08

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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.