Home / 8,590,285.20-12,885,130.80-2,200,600.20

Finding the Fourth Proportional to 8,590,285.20, 12,885,130.80 and 2,200,600.20

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Solution

The fourth proportional to 8,590,285.20, 12,885,130.80 and 2,200,600.20 is: 3,300,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590,285.20 : 12,885,130.80 = 2,200,600.20 : x
  2. Step 2: Convert to fraction form
    8,590,285.20/12,885,130.80 = 2,200,600.20/x
  3. Step 3: Cross multiply
    8,590,285.20x = 12,885,130.80 × 2,200,600.20
  4. Step 4: Simplify right side
    8,590,285.20x = 28,355,021,415,506.16
  5. Step 5: Solve for x
    x = 28,355,021,415,506.16/8,590,285.20
  6. Step 6: Final answer
    x = 3,300,824.22

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Similar ratio
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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.