Home / 13,482,387.66-18,605,760.75-7,370,816.46

Finding the Fourth Proportional to 13,482,387.66, 18,605,760.75 and 7,370,816.46

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Solution

The fourth proportional to 13,482,387.66, 18,605,760.75 and 7,370,816.46 is: 10,171,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,387.66 : 18,605,760.75 = 7,370,816.46 : x
  2. Step 2: Convert to fraction form
    13,482,387.66/18,605,760.75 = 7,370,816.46/x
  3. Step 3: Cross multiply
    13,482,387.66x = 18,605,760.75 × 7,370,816.46
  4. Step 4: Simplify right side
    13,482,387.66x = 137,139,647,586,921.94
  5. Step 5: Solve for x
    x = 137,139,647,586,921.94/13,482,387.66
  6. Step 6: Final answer
    x = 10,171,762.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.