Home / 11,508,146.87-15,881,210.21-6,351,471.52

Finding the Fourth Proportional to 11,508,146.87, 15,881,210.21 and 6,351,471.52

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Solution

The fourth proportional to 11,508,146.87, 15,881,210.21 and 6,351,471.52 is: 8,765,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508,146.87 : 15,881,210.21 = 6,351,471.52 : x
  2. Step 2: Convert to fraction form
    11,508,146.87/15,881,210.21 = 6,351,471.52/x
  3. Step 3: Cross multiply
    11,508,146.87x = 15,881,210.21 × 6,351,471.52
  4. Step 4: Simplify right side
    11,508,146.87x = 100,869,054,280,487.84
  5. Step 5: Solve for x
    x = 100,869,054,280,487.84/11,508,146.87
  6. Step 6: Final answer
    x = 8,765,012.77

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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.