Home / 13,331,418.02-18,398,853.06-7,530,573.42

Finding the Fourth Proportional to 13,331,418.02, 18,398,853.06 and 7,530,573.42

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Solution

The fourth proportional to 13,331,418.02, 18,398,853.06 and 7,530,573.42 is: 10,393,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,418.02 : 18,398,853.06 = 7,530,573.42 : x
  2. Step 2: Convert to fraction form
    13,331,418.02/18,398,853.06 = 7,530,573.42/x
  3. Step 3: Cross multiply
    13,331,418.02x = 18,398,853.06 × 7,530,573.42
  4. Step 4: Simplify right side
    13,331,418.02x = 138,553,913,812,121.66
  5. Step 5: Solve for x
    x = 138,553,913,812,121.66/13,331,418.02
  6. Step 6: Final answer
    x = 10,393,036.48

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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.