Home / 12,219,205.11-16,862,514.16-6,712,936.69

Finding the Fourth Proportional to 12,219,205.11, 16,862,514.16 and 6,712,936.69

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Solution

The fourth proportional to 12,219,205.11, 16,862,514.16 and 6,712,936.69 is: 9,263,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,205.11 : 16,862,514.16 = 6,712,936.69 : x
  2. Step 2: Convert to fraction form
    12,219,205.11/16,862,514.16 = 6,712,936.69/x
  3. Step 3: Cross multiply
    12,219,205.11x = 16,862,514.16 × 6,712,936.69
  4. Step 4: Simplify right side
    12,219,205.11x = 113,196,989,990,308.53
  5. Step 5: Solve for x
    x = 113,196,989,990,308.53/12,219,205.11
  6. Step 6: Final answer
    x = 9,263,858.73

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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.