Home / 12,030,673.80-18,046,010.70-9,196,321.80

Finding the Fourth Proportional to 12,030,673.80, 18,046,010.70 and 9,196,321.80

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Solution

The fourth proportional to 12,030,673.80, 18,046,010.70 and 9,196,321.80 is: 13,794,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,673.80 : 18,046,010.70 = 9,196,321.80 : x
  2. Step 2: Convert to fraction form
    12,030,673.80/18,046,010.70 = 9,196,321.80/x
  3. Step 3: Cross multiply
    12,030,673.80x = 18,046,010.70 × 9,196,321.80
  4. Step 4: Simplify right side
    12,030,673.80x = 165,956,921,603,443.28
  5. Step 5: Solve for x
    x = 165,956,921,603,443.28/12,030,673.80
  6. Step 6: Final answer
    x = 13,794,482.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.