Home / 21,934,097.15-30,259,524.65-13,227,431.45

Finding the Fourth Proportional to 21,934,097.15, 30,259,524.65 and 13,227,431.45

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Solution

The fourth proportional to 21,934,097.15, 30,259,524.65 and 13,227,431.45 is: 18,248,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934,097.15 : 30,259,524.65 = 13,227,431.45 : x
  2. Step 2: Convert to fraction form
    21,934,097.15/30,259,524.65 = 13,227,431.45/x
  3. Step 3: Cross multiply
    21,934,097.15x = 30,259,524.65 × 13,227,431.45
  4. Step 4: Simplify right side
    21,934,097.15x = 400,255,787,800,025.44
  5. Step 5: Solve for x
    x = 400,255,787,800,025.44/21,934,097.15
  6. Step 6: Final answer
    x = 18,248,108.65

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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.