Home / 12,252,721.20-16,913,988.72-8,722,796.56

Finding the Fourth Proportional to 12,252,721.20, 16,913,988.72 and 8,722,796.56

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Solution

The fourth proportional to 12,252,721.20, 16,913,988.72 and 8,722,796.56 is: 12,041,184.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,721.20 : 16,913,988.72 = 8,722,796.56 : x
  2. Step 2: Convert to fraction form
    12,252,721.20/16,913,988.72 = 8,722,796.56/x
  3. Step 3: Cross multiply
    12,252,721.20x = 16,913,988.72 × 8,722,796.56
  4. Step 4: Simplify right side
    12,252,721.20x = 147,537,282,622,694.81
  5. Step 5: Solve for x
    x = 147,537,282,622,694.81/12,252,721.20
  6. Step 6: Final answer
    x = 12,041,184.99

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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.