Home / 10,530,545.81-15,767,433.39-6,878,231.39

Finding the Fourth Proportional to 10,530,545.81, 15,767,433.39 and 6,878,231.39

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Solution

The fourth proportional to 10,530,545.81, 15,767,433.39 and 6,878,231.39 is: 10,298,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,545.81 : 15,767,433.39 = 6,878,231.39 : x
  2. Step 2: Convert to fraction form
    10,530,545.81/15,767,433.39 = 6,878,231.39/x
  3. Step 3: Cross multiply
    10,530,545.81x = 15,767,433.39 × 6,878,231.39
  4. Step 4: Simplify right side
    10,530,545.81x = 108,452,055,322,250.70
  5. Step 5: Solve for x
    x = 108,452,055,322,250.70/10,530,545.81
  6. Step 6: Final answer
    x = 10,298,806.66

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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.