Home / 7,965,143.13-10,991,715.12-4,867,654.35

Finding the Fourth Proportional to 7,965,143.13, 10,991,715.12 and 4,867,654.35

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Solution

The fourth proportional to 7,965,143.13, 10,991,715.12 and 4,867,654.35 is: 6,717,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,143.13 : 10,991,715.12 = 4,867,654.35 : x
  2. Step 2: Convert to fraction form
    7,965,143.13/10,991,715.12 = 4,867,654.35/x
  3. Step 3: Cross multiply
    7,965,143.13x = 10,991,715.12 × 4,867,654.35
  4. Step 4: Simplify right side
    7,965,143.13x = 53,503,869,917,828.77
  5. Step 5: Solve for x
    x = 53,503,869,917,828.77/7,965,143.13
  6. Step 6: Final answer
    x = 6,717,251.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.