Home / 8,768,069.20-12,103,666.68-5,331,414.16

Finding the Fourth Proportional to 8,768,069.20, 12,103,666.68 and 5,331,414.16

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Solution

The fourth proportional to 8,768,069.20, 12,103,666.68 and 5,331,414.16 is: 7,359,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,069.20 : 12,103,666.68 = 5,331,414.16 : x
  2. Step 2: Convert to fraction form
    8,768,069.20/12,103,666.68 = 5,331,414.16/x
  3. Step 3: Cross multiply
    8,768,069.20x = 12,103,666.68 × 5,331,414.16
  4. Step 4: Simplify right side
    8,768,069.20x = 64,529,659,925,672.19
  5. Step 5: Solve for x
    x = 64,529,659,925,672.19/8,768,069.20
  6. Step 6: Final answer
    x = 7,359,620.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.