Home / 20,152,581-27,809,171.64-11,333,350.32

Finding the Fourth Proportional to 20,152,581, 27,809,171.64 and 11,333,350.32

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Solution

The fourth proportional to 20,152,581, 27,809,171.64 and 11,333,350.32 is: 15,639,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,581 : 27,809,171.64 = 11,333,350.32 : x
  2. Step 2: Convert to fraction form
    20,152,581/27,809,171.64 = 11,333,350.32/x
  3. Step 3: Cross multiply
    20,152,581x = 27,809,171.64 × 11,333,350.32
  4. Step 4: Simplify right side
    20,152,581x = 315,171,084,305,128.94
  5. Step 5: Solve for x
    x = 315,171,084,305,128.94/20,152,581
  6. Step 6: Final answer
    x = 15,639,241.66

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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.