Home / 12,332,361.80-18,497,621.10-5,142,038.60

Finding the Fourth Proportional to 12,332,361.80, 18,497,621.10 and 5,142,038.60

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Solution

The fourth proportional to 12,332,361.80, 18,497,621.10 and 5,142,038.60 is: 7,712,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,361.80 : 18,497,621.10 = 5,142,038.60 : x
  2. Step 2: Convert to fraction form
    12,332,361.80/18,497,621.10 = 5,142,038.60/x
  3. Step 3: Cross multiply
    12,332,361.80x = 18,497,621.10 × 5,142,038.60
  4. Step 4: Simplify right side
    12,332,361.80x = 95,115,481,704,374.45
  5. Step 5: Solve for x
    x = 95,115,481,704,374.45/12,332,361.80
  6. Step 6: Final answer
    x = 7,712,673.63

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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.