Home / 8,578,484.40-12,848,128.92-4,093,909.68

Finding the Fourth Proportional to 8,578,484.40, 12,848,128.92 and 4,093,909.68

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Solution

The fourth proportional to 8,578,484.40, 12,848,128.92 and 4,093,909.68 is: 6,131,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,484.40 : 12,848,128.92 = 4,093,909.68 : x
  2. Step 2: Convert to fraction form
    8,578,484.40/12,848,128.92 = 4,093,909.68/x
  3. Step 3: Cross multiply
    8,578,484.40x = 12,848,128.92 × 4,093,909.68
  4. Step 4: Simplify right side
    8,578,484.40x = 52,599,079,355,475.95
  5. Step 5: Solve for x
    x = 52,599,079,355,475.95/8,578,484.40
  6. Step 6: Final answer
    x = 6,131,511.92

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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.