Home / 13,911,127.82-20,866,745.04-5,818,426.53

Finding the Fourth Proportional to 13,911,127.82, 20,866,745.04 and 5,818,426.53

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Solution

The fourth proportional to 13,911,127.82, 20,866,745.04 and 5,818,426.53 is: 8,727,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911,127.82 : 20,866,745.04 = 5,818,426.53 : x
  2. Step 2: Convert to fraction form
    13,911,127.82/20,866,745.04 = 5,818,426.53/x
  3. Step 3: Cross multiply
    13,911,127.82x = 20,866,745.04 × 5,818,426.53
  4. Step 4: Simplify right side
    13,911,127.82x = 121,411,622,835,412.52
  5. Step 5: Solve for x
    x = 121,411,622,835,412.52/13,911,127.82
  6. Step 6: Final answer
    x = 8,727,662.09

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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.