Home / 18,173,060.08-25,078,983.08-9,913,159.06

Finding the Fourth Proportional to 18,173,060.08, 25,078,983.08 and 9,913,159.06

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Solution

The fourth proportional to 18,173,060.08, 25,078,983.08 and 9,913,159.06 is: 13,680,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,060.08 : 25,078,983.08 = 9,913,159.06 : x
  2. Step 2: Convert to fraction form
    18,173,060.08/25,078,983.08 = 9,913,159.06/x
  3. Step 3: Cross multiply
    18,173,060.08x = 25,078,983.08 × 9,913,159.06
  4. Step 4: Simplify right side
    18,173,060.08x = 248,611,948,222,825.44
  5. Step 5: Solve for x
    x = 248,611,948,222,825.44/18,173,060.08
  6. Step 6: Final answer
    x = 13,680,246.87

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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.