Home / 12,798,003.80-19,197,005.70-11,958,195.80

Finding the Fourth Proportional to 12,798,003.80, 19,197,005.70 and 11,958,195.80

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Solution

The fourth proportional to 12,798,003.80, 19,197,005.70 and 11,958,195.80 is: 17,937,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,003.80 : 19,197,005.70 = 11,958,195.80 : x
  2. Step 2: Convert to fraction form
    12,798,003.80/19,197,005.70 = 11,958,195.80/x
  3. Step 3: Cross multiply
    12,798,003.80x = 19,197,005.70 × 11,958,195.80
  4. Step 4: Simplify right side
    12,798,003.80x = 229,561,552,934,316.06
  5. Step 5: Solve for x
    x = 229,561,552,934,316.06/12,798,003.80
  6. Step 6: Final answer
    x = 17,937,293.70

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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.