Home / 19,813,914.48-27,317,888.64-12,832,255.56

Finding the Fourth Proportional to 19,813,914.48, 27,317,888.64 and 12,832,255.56

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Solution

The fourth proportional to 19,813,914.48, 27,317,888.64 and 12,832,255.56 is: 17,692,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,914.48 : 27,317,888.64 = 12,832,255.56 : x
  2. Step 2: Convert to fraction form
    19,813,914.48/27,317,888.64 = 12,832,255.56/x
  3. Step 3: Cross multiply
    19,813,914.48x = 27,317,888.64 × 12,832,255.56
  4. Step 4: Simplify right side
    19,813,914.48x = 350,550,128,388,100.88
  5. Step 5: Solve for x
    x = 350,550,128,388,100.88/19,813,914.48
  6. Step 6: Final answer
    x = 17,692,118.78

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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.