Home / 18,142,130.80-27,175,871.40-9,171,737.20

Finding the Fourth Proportional to 18,142,130.80, 27,175,871.40 and 9,171,737.20

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Solution

The fourth proportional to 18,142,130.80, 27,175,871.40 and 9,171,737.20 is: 13,738,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142,130.80 : 27,175,871.40 = 9,171,737.20 : x
  2. Step 2: Convert to fraction form
    18,142,130.80/27,175,871.40 = 9,171,737.20/x
  3. Step 3: Cross multiply
    18,142,130.80x = 27,175,871.40 × 9,171,737.20
  4. Step 4: Simplify right side
    18,142,130.80x = 249,249,950,661,796.03
  5. Step 5: Solve for x
    x = 249,249,950,661,796.03/18,142,130.80
  6. Step 6: Final answer
    x = 13,738,736.28

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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.