Home / 8,016,384.82-12,017,376.77-3,915,385.63

Finding the Fourth Proportional to 8,016,384.82, 12,017,376.77 and 3,915,385.63

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Solution

The fourth proportional to 8,016,384.82, 12,017,376.77 and 3,915,385.63 is: 5,869,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016,384.82 : 12,017,376.77 = 3,915,385.63 : x
  2. Step 2: Convert to fraction form
    8,016,384.82/12,017,376.77 = 3,915,385.63/x
  3. Step 3: Cross multiply
    8,016,384.82x = 12,017,376.77 × 3,915,385.63
  4. Step 4: Simplify right side
    8,016,384.82x = 47,052,664,315,553.81
  5. Step 5: Solve for x
    x = 47,052,664,315,553.81/8,016,384.82
  6. Step 6: Final answer
    x = 5,869,561.58

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Double scale
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1.5x scale

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.