Home / 12,881,489.70-19,322,234.55-10,771,472.10

Finding the Fourth Proportional to 12,881,489.70, 19,322,234.55 and 10,771,472.10

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Solution

The fourth proportional to 12,881,489.70, 19,322,234.55 and 10,771,472.10 is: 16,157,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,489.70 : 19,322,234.55 = 10,771,472.10 : x
  2. Step 2: Convert to fraction form
    12,881,489.70/19,322,234.55 = 10,771,472.10/x
  3. Step 3: Cross multiply
    12,881,489.70x = 19,322,234.55 × 10,771,472.10
  4. Step 4: Simplify right side
    12,881,489.70x = 208,128,910,364,981.06
  5. Step 5: Solve for x
    x = 208,128,910,364,981.06/12,881,489.70
  6. Step 6: Final answer
    x = 16,157,208.15

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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.