Home / 15,257,548.60-21,055,806.84-8,382,203.80

Finding the Fourth Proportional to 15,257,548.60, 21,055,806.84 and 8,382,203.80

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Solution

The fourth proportional to 15,257,548.60, 21,055,806.84 and 8,382,203.80 is: 11,567,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257,548.60 : 21,055,806.84 = 8,382,203.80 : x
  2. Step 2: Convert to fraction form
    15,257,548.60/21,055,806.84 = 8,382,203.80/x
  3. Step 3: Cross multiply
    15,257,548.60x = 21,055,806.84 × 8,382,203.80
  4. Step 4: Simplify right side
    15,257,548.60x = 176,494,064,106,314
  5. Step 5: Solve for x
    x = 176,494,064,106,314/15,257,548.60
  6. Step 6: Final answer
    x = 11,567,655.38

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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.