Home / 11,088,312.80-16,632,469.20-5,412,178.40

Finding the Fourth Proportional to 11,088,312.80, 16,632,469.20 and 5,412,178.40

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Solution

The fourth proportional to 11,088,312.80, 16,632,469.20 and 5,412,178.40 is: 8,118,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088,312.80 : 16,632,469.20 = 5,412,178.40 : x
  2. Step 2: Convert to fraction form
    11,088,312.80/16,632,469.20 = 5,412,178.40/x
  3. Step 3: Cross multiply
    11,088,312.80x = 16,632,469.20 × 5,412,178.40
  4. Step 4: Simplify right side
    11,088,312.80x = 90,017,890,542,905.28
  5. Step 5: Solve for x
    x = 90,017,890,542,905.28/11,088,312.80
  6. Step 6: Final answer
    x = 8,118,267.60

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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.