Home / 12,035,905.12-16,609,549.07-6,879,377.38

Finding the Fourth Proportional to 12,035,905.12, 16,609,549.07 and 6,879,377.38

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Solution

The fourth proportional to 12,035,905.12, 16,609,549.07 and 6,879,377.38 is: 9,493,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035,905.12 : 16,609,549.07 = 6,879,377.38 : x
  2. Step 2: Convert to fraction form
    12,035,905.12/16,609,549.07 = 6,879,377.38/x
  3. Step 3: Cross multiply
    12,035,905.12x = 16,609,549.07 × 6,879,377.38
  4. Step 4: Simplify right side
    12,035,905.12x = 114,263,356,129,761.14
  5. Step 5: Solve for x
    x = 114,263,356,129,761.14/12,035,905.12
  6. Step 6: Final answer
    x = 9,493,540.78

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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.