Home / 18,173,058.95-25,078,981.52-9,913,157.93

Finding the Fourth Proportional to 18,173,058.95, 25,078,981.52 and 9,913,157.93

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Solution

The fourth proportional to 18,173,058.95, 25,078,981.52 and 9,913,157.93 is: 13,680,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,058.95 : 25,078,981.52 = 9,913,157.93 : x
  2. Step 2: Convert to fraction form
    18,173,058.95/25,078,981.52 = 9,913,157.93/x
  3. Step 3: Cross multiply
    18,173,058.95x = 25,078,981.52 × 9,913,157.93
  4. Step 4: Simplify right side
    18,173,058.95x = 248,611,904,618,791.78
  5. Step 5: Solve for x
    x = 248,611,904,618,791.78/18,173,058.95
  6. Step 6: Final answer
    x = 13,680,245.32

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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.