Home / 13,824,772.80-20,726,791.20-7,098,014.40

Finding the Fourth Proportional to 13,824,772.80, 20,726,791.20 and 7,098,014.40

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Solution

The fourth proportional to 13,824,772.80, 20,726,791.20 and 7,098,014.40 is: 10,641,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,772.80 : 20,726,791.20 = 7,098,014.40 : x
  2. Step 2: Convert to fraction form
    13,824,772.80/20,726,791.20 = 7,098,014.40/x
  3. Step 3: Cross multiply
    13,824,772.80x = 20,726,791.20 × 7,098,014.40
  4. Step 4: Simplify right side
    13,824,772.80x = 147,119,062,403,393.28
  5. Step 5: Solve for x
    x = 147,119,062,403,393.28/13,824,772.80
  6. Step 6: Final answer
    x = 10,641,698.39

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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.