Home / 40,001,571.50-55,202,170.56-21,666,857

Finding the Fourth Proportional to 40,001,571.50, 55,202,170.56 and 21,666,857

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Solution

The fourth proportional to 40,001,571.50, 55,202,170.56 and 21,666,857 is: 29,900,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001,571.50 : 55,202,170.56 = 21,666,857 : x
  2. Step 2: Convert to fraction form
    40,001,571.50/55,202,170.56 = 21,666,857/x
  3. Step 3: Cross multiply
    40,001,571.50x = 55,202,170.56 × 21,666,857
  4. Step 4: Simplify right side
    40,001,571.50x = 1,196,057,535,613,130
  5. Step 5: Solve for x
    x = 1,196,057,535,613,130/40,001,571.50
  6. Step 6: Final answer
    x = 29,900,263.68

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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.