Home / 11,837,871.20-17,756,806.80-5,460,579.20

Finding the Fourth Proportional to 11,837,871.20, 17,756,806.80 and 5,460,579.20

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Solution

The fourth proportional to 11,837,871.20, 17,756,806.80 and 5,460,579.20 is: 8,190,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837,871.20 : 17,756,806.80 = 5,460,579.20 : x
  2. Step 2: Convert to fraction form
    11,837,871.20/17,756,806.80 = 5,460,579.20/x
  3. Step 3: Cross multiply
    11,837,871.20x = 17,756,806.80 × 5,460,579.20
  4. Step 4: Simplify right side
    11,837,871.20x = 96,962,449,870,498.56
  5. Step 5: Solve for x
    x = 96,962,449,870,498.56/11,837,871.20
  6. Step 6: Final answer
    x = 8,190,868.80

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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.