Home / 13,876,166.47-20,834,710.76-7,740,136.34

Finding the Fourth Proportional to 13,876,166.47, 20,834,710.76 and 7,740,136.34

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Solution

The fourth proportional to 13,876,166.47, 20,834,710.76 and 7,740,136.34 is: 11,621,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876,166.47 : 20,834,710.76 = 7,740,136.34 : x
  2. Step 2: Convert to fraction form
    13,876,166.47/20,834,710.76 = 7,740,136.34/x
  3. Step 3: Cross multiply
    13,876,166.47x = 20,834,710.76 × 7,740,136.34
  4. Step 4: Simplify right side
    13,876,166.47x = 161,263,501,900,251.12
  5. Step 5: Solve for x
    x = 161,263,501,900,251.12/13,876,166.47
  6. Step 6: Final answer
    x = 11,621,617.71

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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.