Home / 52,317,712.07-78,476,961.77-19,960,915.85

Finding the Fourth Proportional to 52,317,712.07, 78,476,961.77 and 19,960,915.85

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Solution

The fourth proportional to 52,317,712.07, 78,476,961.77 and 19,960,915.85 is: 29,941,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,317,712.07 : 78,476,961.77 = 19,960,915.85 : x
  2. Step 2: Convert to fraction form
    52,317,712.07/78,476,961.77 = 19,960,915.85/x
  3. Step 3: Cross multiply
    52,317,712.07x = 78,476,961.77 × 19,960,915.85
  4. Step 4: Simplify right side
    52,317,712.07x = 1,566,472,029,562,447.50
  5. Step 5: Solve for x
    x = 1,566,472,029,562,447.50/52,317,712.07
  6. Step 6: Final answer
    x = 29,941,523.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.