Home / 21,838,618.14-30,137,207.94-12,049,671.48

Finding the Fourth Proportional to 21,838,618.14, 30,137,207.94 and 12,049,671.48

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Solution

The fourth proportional to 21,838,618.14, 30,137,207.94 and 12,049,671.48 is: 16,628,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838,618.14 : 30,137,207.94 = 12,049,671.48 : x
  2. Step 2: Convert to fraction form
    21,838,618.14/30,137,207.94 = 12,049,671.48/x
  3. Step 3: Cross multiply
    21,838,618.14x = 30,137,207.94 × 12,049,671.48
  4. Step 4: Simplify right side
    21,838,618.14x = 363,143,455,001,447.56
  5. Step 5: Solve for x
    x = 363,143,455,001,447.56/21,838,618.14
  6. Step 6: Final answer
    x = 16,628,499.69

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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.