Home / 10,870,473.24-15,001,618.37-6,399,221.55

Finding the Fourth Proportional to 10,870,473.24, 15,001,618.37 and 6,399,221.55

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Solution

The fourth proportional to 10,870,473.24, 15,001,618.37 and 6,399,221.55 is: 8,831,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870,473.24 : 15,001,618.37 = 6,399,221.55 : x
  2. Step 2: Convert to fraction form
    10,870,473.24/15,001,618.37 = 6,399,221.55/x
  3. Step 3: Cross multiply
    10,870,473.24x = 15,001,618.37 × 6,399,221.55
  4. Step 4: Simplify right side
    10,870,473.24x = 95,998,679,558,179.86
  5. Step 5: Solve for x
    x = 95,998,679,558,179.86/10,870,473.24
  6. Step 6: Final answer
    x = 8,831,140.78

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1.5x scale

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.