Home / 12,425,247.68-17,152,132.56-8,353,228.64

Finding the Fourth Proportional to 12,425,247.68, 17,152,132.56 and 8,353,228.64

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Solution

The fourth proportional to 12,425,247.68, 17,152,132.56 and 8,353,228.64 is: 11,531,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,247.68 : 17,152,132.56 = 8,353,228.64 : x
  2. Step 2: Convert to fraction form
    12,425,247.68/17,152,132.56 = 8,353,228.64/x
  3. Step 3: Cross multiply
    12,425,247.68x = 17,152,132.56 × 8,353,228.64
  4. Step 4: Simplify right side
    12,425,247.68x = 143,275,684,937,268.50
  5. Step 5: Solve for x
    x = 143,275,684,937,268.50/12,425,247.68
  6. Step 6: Final answer
    x = 11,531,012.39

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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.