Home / 8,779,904.20-13,146,236.70-6,874,589.80

Finding the Fourth Proportional to 8,779,904.20, 13,146,236.70 and 6,874,589.80

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Solution

The fourth proportional to 8,779,904.20, 13,146,236.70 and 6,874,589.80 is: 10,293,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,904.20 : 13,146,236.70 = 6,874,589.80 : x
  2. Step 2: Convert to fraction form
    8,779,904.20/13,146,236.70 = 6,874,589.80/x
  3. Step 3: Cross multiply
    8,779,904.20x = 13,146,236.70 × 6,874,589.80
  4. Step 4: Simplify right side
    8,779,904.20x = 90,374,984,726,205.66
  5. Step 5: Solve for x
    x = 90,374,984,726,205.66/8,779,904.20
  6. Step 6: Final answer
    x = 10,293,390.76

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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.