Home / 13,590,687.64-18,755,151.60-7,479,116.14

Finding the Fourth Proportional to 13,590,687.64, 18,755,151.60 and 7,479,116.14

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Solution

The fourth proportional to 13,590,687.64, 18,755,151.60 and 7,479,116.14 is: 10,321,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,687.64 : 18,755,151.60 = 7,479,116.14 : x
  2. Step 2: Convert to fraction form
    13,590,687.64/18,755,151.60 = 7,479,116.14/x
  3. Step 3: Cross multiply
    13,590,687.64x = 18,755,151.60 × 7,479,116.14
  4. Step 4: Simplify right side
    13,590,687.64x = 140,271,957,039,706.83
  5. Step 5: Solve for x
    x = 140,271,957,039,706.83/13,590,687.64
  6. Step 6: Final answer
    x = 10,321,181.74

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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.