Home / 13,102,571.20-19,653,856.80-6,725,279.20

Finding the Fourth Proportional to 13,102,571.20, 19,653,856.80 and 6,725,279.20

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Solution

The fourth proportional to 13,102,571.20, 19,653,856.80 and 6,725,279.20 is: 10,087,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,571.20 : 19,653,856.80 = 6,725,279.20 : x
  2. Step 2: Convert to fraction form
    13,102,571.20/19,653,856.80 = 6,725,279.20/x
  3. Step 3: Cross multiply
    13,102,571.20x = 19,653,856.80 × 6,725,279.20
  4. Step 4: Simplify right side
    13,102,571.20x = 132,177,674,336,818.56
  5. Step 5: Solve for x
    x = 132,177,674,336,818.56/13,102,571.20
  6. Step 6: Final answer
    x = 10,087,918.80

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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.