Home / 23,985,406.20-33,099,860.43-12,972,155.73

Finding the Fourth Proportional to 23,985,406.20, 33,099,860.43 and 12,972,155.73

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Solution

The fourth proportional to 23,985,406.20, 33,099,860.43 and 12,972,155.73 is: 17,901,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985,406.20 : 33,099,860.43 = 12,972,155.73 : x
  2. Step 2: Convert to fraction form
    23,985,406.20/33,099,860.43 = 12,972,155.73/x
  3. Step 3: Cross multiply
    23,985,406.20x = 33,099,860.43 × 12,972,155.73
  4. Step 4: Simplify right side
    23,985,406.20x = 429,376,544,139,224.75
  5. Step 5: Solve for x
    x = 429,376,544,139,224.75/23,985,406.20
  6. Step 6: Final answer
    x = 17,901,574.84

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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.