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Finding the Fourth Proportional to 22,189,669.80, 33,284,504.70 and 9,407,999.40

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Solution

The fourth proportional to 22,189,669.80, 33,284,504.70 and 9,407,999.40 is: 14,111,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189,669.80 : 33,284,504.70 = 9,407,999.40 : x
  2. Step 2: Convert to fraction form
    22,189,669.80/33,284,504.70 = 9,407,999.40/x
  3. Step 3: Cross multiply
    22,189,669.80x = 33,284,504.70 × 9,407,999.40
  4. Step 4: Simplify right side
    22,189,669.80x = 313,140,600,246,897.19
  5. Step 5: Solve for x
    x = 313,140,600,246,897.19/22,189,669.80
  6. Step 6: Final answer
    x = 14,111,999.10

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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.