Home / 21,875,544.48-30,190,013.84-12,086,844.32

Finding the Fourth Proportional to 21,875,544.48, 30,190,013.84 and 12,086,844.32

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Solution

The fourth proportional to 21,875,544.48, 30,190,013.84 and 12,086,844.32 is: 16,680,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875,544.48 : 30,190,013.84 = 12,086,844.32 : x
  2. Step 2: Convert to fraction form
    21,875,544.48/30,190,013.84 = 12,086,844.32/x
  3. Step 3: Cross multiply
    21,875,544.48x = 30,190,013.84 × 12,086,844.32
  4. Step 4: Simplify right side
    21,875,544.48x = 364,901,997,302,725.38
  5. Step 5: Solve for x
    x = 364,901,997,302,725.38/21,875,544.48
  6. Step 6: Final answer
    x = 16,680,818.97

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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.