Home / 9,971,377.20-14,954,992.20-4,291,786.80

Finding the Fourth Proportional to 9,971,377.20, 14,954,992.20 and 4,291,786.80

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Solution

The fourth proportional to 9,971,377.20, 14,954,992.20 and 4,291,786.80 is: 6,436,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971,377.20 : 14,954,992.20 = 4,291,786.80 : x
  2. Step 2: Convert to fraction form
    9,971,377.20/14,954,992.20 = 4,291,786.80/x
  3. Step 3: Cross multiply
    9,971,377.20x = 14,954,992.20 × 4,291,786.80
  4. Step 4: Simplify right side
    9,971,377.20x = 64,183,638,118,062.95
  5. Step 5: Solve for x
    x = 64,183,638,118,062.95/9,971,377.20
  6. Step 6: Final answer
    x = 6,436,787.70

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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.