Home / 18,173,054.45-25,078,975.31-9,913,153.43

Finding the Fourth Proportional to 18,173,054.45, 25,078,975.31 and 9,913,153.43

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Solution

The fourth proportional to 18,173,054.45, 25,078,975.31 and 9,913,153.43 is: 13,680,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,054.45 : 25,078,975.31 = 9,913,153.43 : x
  2. Step 2: Convert to fraction form
    18,173,054.45/25,078,975.31 = 9,913,153.43/x
  3. Step 3: Cross multiply
    18,173,054.45x = 25,078,975.31 × 9,913,153.43
  4. Step 4: Simplify right side
    18,173,054.45x = 248,611,730,202,692.12
  5. Step 5: Solve for x
    x = 248,611,730,202,692.12/18,173,054.45
  6. Step 6: Final answer
    x = 13,680,239.11

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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.