Home / 18,162,818.34-25,064,884.94-9,902,813.24

Finding the Fourth Proportional to 18,162,818.34, 25,064,884.94 and 9,902,813.24

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Solution

The fourth proportional to 18,162,818.34, 25,064,884.94 and 9,902,813.24 is: 13,665,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,818.34 : 25,064,884.94 = 9,902,813.24 : x
  2. Step 2: Convert to fraction form
    18,162,818.34/25,064,884.94 = 9,902,813.24/x
  3. Step 3: Cross multiply
    18,162,818.34x = 25,064,884.94 × 9,902,813.24
  4. Step 4: Simplify right side
    18,162,818.34x = 248,212,874,268,070.09
  5. Step 5: Solve for x
    x = 248,212,874,268,070.09/18,162,818.34
  6. Step 6: Final answer
    x = 13,665,988.92

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1.5x scale

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.