Home / 8,809,142.20-13,209,776.70-3,416,000.20

Finding the Fourth Proportional to 8,809,142.20, 13,209,776.70 and 3,416,000.20

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Solution

The fourth proportional to 8,809,142.20, 13,209,776.70 and 3,416,000.20 is: 5,122,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,142.20 : 13,209,776.70 = 3,416,000.20 : x
  2. Step 2: Convert to fraction form
    8,809,142.20/13,209,776.70 = 3,416,000.20/x
  3. Step 3: Cross multiply
    8,809,142.20x = 13,209,776.70 × 3,416,000.20
  4. Step 4: Simplify right side
    8,809,142.20x = 45,124,599,849,155.34
  5. Step 5: Solve for x
    x = 45,124,599,849,155.34/8,809,142.20
  6. Step 6: Final answer
    x = 5,122,473.77

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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.