Home / 11,648,643.20-17,472,964.80-5,979,939.20

Finding the Fourth Proportional to 11,648,643.20, 17,472,964.80 and 5,979,939.20

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Solution

The fourth proportional to 11,648,643.20, 17,472,964.80 and 5,979,939.20 is: 8,969,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648,643.20 : 17,472,964.80 = 5,979,939.20 : x
  2. Step 2: Convert to fraction form
    11,648,643.20/17,472,964.80 = 5,979,939.20/x
  3. Step 3: Cross multiply
    11,648,643.20x = 17,472,964.80 × 5,979,939.20
  4. Step 4: Simplify right side
    11,648,643.20x = 104,487,267,147,740.17
  5. Step 5: Solve for x
    x = 104,487,267,147,740.17/11,648,643.20
  6. Step 6: Final answer
    x = 8,969,908.80

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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.