Home / 13,187,350.80-19,775,121.30-5,097,637.80

Finding the Fourth Proportional to 13,187,350.80, 19,775,121.30 and 5,097,637.80

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Solution

The fourth proportional to 13,187,350.80, 19,775,121.30 and 5,097,637.80 is: 7,644,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,350.80 : 19,775,121.30 = 5,097,637.80 : x
  2. Step 2: Convert to fraction form
    13,187,350.80/19,775,121.30 = 5,097,637.80/x
  3. Step 3: Cross multiply
    13,187,350.80x = 19,775,121.30 × 5,097,637.80
  4. Step 4: Simplify right side
    13,187,350.80x = 100,806,405,838,465.14
  5. Step 5: Solve for x
    x = 100,806,405,838,465.14/13,187,350.80
  6. Step 6: Final answer
    x = 7,644,174.13

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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.