Home / 13,187,343.80-19,775,110.80-5,097,630.80

Finding the Fourth Proportional to 13,187,343.80, 19,775,110.80 and 5,097,630.80

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Solution

The fourth proportional to 13,187,343.80, 19,775,110.80 and 5,097,630.80 is: 7,644,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,343.80 : 19,775,110.80 = 5,097,630.80 : x
  2. Step 2: Convert to fraction form
    13,187,343.80/19,775,110.80 = 5,097,630.80/x
  3. Step 3: Cross multiply
    13,187,343.80x = 19,775,110.80 × 5,097,630.80
  4. Step 4: Simplify right side
    13,187,343.80x = 100,806,213,887,492.64
  5. Step 5: Solve for x
    x = 100,806,213,887,492.64/13,187,343.80
  6. Step 6: Final answer
    x = 7,644,163.63

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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.