Home / 12,672,649.60-19,008,974.40-7,003,945.60

Finding the Fourth Proportional to 12,672,649.60, 19,008,974.40 and 7,003,945.60

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Solution

The fourth proportional to 12,672,649.60, 19,008,974.40 and 7,003,945.60 is: 10,505,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,649.60 : 19,008,974.40 = 7,003,945.60 : x
  2. Step 2: Convert to fraction form
    12,672,649.60/19,008,974.40 = 7,003,945.60/x
  3. Step 3: Cross multiply
    12,672,649.60x = 19,008,974.40 × 7,003,945.60
  4. Step 4: Simplify right side
    12,672,649.60x = 133,137,822,609,392.62
  5. Step 5: Solve for x
    x = 133,137,822,609,392.62/12,672,649.60
  6. Step 6: Final answer
    x = 10,505,918.40

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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.