Home / 18,173,060.45-25,078,983.59-9,913,159.43

Finding the Fourth Proportional to 18,173,060.45, 25,078,983.59 and 9,913,159.43

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Solution

The fourth proportional to 18,173,060.45, 25,078,983.59 and 9,913,159.43 is: 13,680,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,060.45 : 25,078,983.59 = 9,913,159.43 : x
  2. Step 2: Convert to fraction form
    18,173,060.45/25,078,983.59 = 9,913,159.43/x
  3. Step 3: Cross multiply
    18,173,060.45x = 25,078,983.59 × 9,913,159.43
  4. Step 4: Simplify right side
    18,173,060.45x = 248,611,962,757,504.09
  5. Step 5: Solve for x
    x = 248,611,962,757,504.09/18,173,060.45
  6. Step 6: Final answer
    x = 13,680,247.39

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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.