Home / 13,447,744.92-18,558,182.70-7,336,168.56

Finding the Fourth Proportional to 13,447,744.92, 18,558,182.70 and 7,336,168.56

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Solution

The fourth proportional to 13,447,744.92, 18,558,182.70 and 7,336,168.56 is: 10,124,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,744.92 : 18,558,182.70 = 7,336,168.56 : x
  2. Step 2: Convert to fraction form
    13,447,744.92/18,558,182.70 = 7,336,168.56/x
  3. Step 3: Cross multiply
    13,447,744.92x = 18,558,182.70 × 7,336,168.56
  4. Step 4: Simplify right side
    13,447,744.92x = 136,145,956,454,475.91
  5. Step 5: Solve for x
    x = 136,145,956,454,475.91/13,447,744.92
  6. Step 6: Final answer
    x = 10,124,073.39

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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.