Home / 13,511,200.68-18,646,788.06-7,710,855.48

Finding the Fourth Proportional to 13,511,200.68, 18,646,788.06 and 7,710,855.48

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Solution

The fourth proportional to 13,511,200.68, 18,646,788.06 and 7,710,855.48 is: 10,641,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,200.68 : 18,646,788.06 = 7,710,855.48 : x
  2. Step 2: Convert to fraction form
    13,511,200.68/18,646,788.06 = 7,710,855.48/x
  3. Step 3: Cross multiply
    13,511,200.68x = 18,646,788.06 × 7,710,855.48
  4. Step 4: Simplify right side
    13,511,200.68x = 143,782,687,896,849.56
  5. Step 5: Solve for x
    x = 143,782,687,896,849.56/13,511,200.68
  6. Step 6: Final answer
    x = 10,641,740.23

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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.