Home / 8,016,384.57-12,017,376.40-3,915,385.38

Finding the Fourth Proportional to 8,016,384.57, 12,017,376.40 and 3,915,385.38

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Solution

The fourth proportional to 8,016,384.57, 12,017,376.40 and 3,915,385.38 is: 5,869,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016,384.57 : 12,017,376.40 = 3,915,385.38 : x
  2. Step 2: Convert to fraction form
    8,016,384.57/12,017,376.40 = 3,915,385.38/x
  3. Step 3: Cross multiply
    8,016,384.57x = 12,017,376.40 × 3,915,385.38
  4. Step 4: Simplify right side
    8,016,384.57x = 47,052,659,842,940.10
  5. Step 5: Solve for x
    x = 47,052,659,842,940.10/8,016,384.57
  6. Step 6: Final answer
    x = 5,869,561.20

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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.