Home / 12,104,709.12-16,704,611.52-6,672,395.52

Finding the Fourth Proportional to 12,104,709.12, 16,704,611.52 and 6,672,395.52

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Solution

The fourth proportional to 12,104,709.12, 16,704,611.52 and 6,672,395.52 is: 9,207,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,709.12 : 16,704,611.52 = 6,672,395.52 : x
  2. Step 2: Convert to fraction form
    12,104,709.12/16,704,611.52 = 6,672,395.52/x
  3. Step 3: Cross multiply
    12,104,709.12x = 16,704,611.52 × 6,672,395.52
  4. Step 4: Simplify right side
    12,104,709.12x = 111,459,775,069,388.38
  5. Step 5: Solve for x
    x = 111,459,775,069,388.38/12,104,709.12
  6. Step 6: Final answer
    x = 9,207,968.07

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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.