Home / 39,203,349.81-54,100,667.48-21,799,321.36

Finding the Fourth Proportional to 39,203,349.81, 54,100,667.48 and 21,799,321.36

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Solution

The fourth proportional to 39,203,349.81, 54,100,667.48 and 21,799,321.36 is: 30,083,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,349.81 : 54,100,667.48 = 21,799,321.36 : x
  2. Step 2: Convert to fraction form
    39,203,349.81/54,100,667.48 = 21,799,321.36/x
  3. Step 3: Cross multiply
    39,203,349.81x = 54,100,667.48 × 21,799,321.36
  4. Step 4: Simplify right side
    39,203,349.81x = 1,179,357,835,942,773.25
  5. Step 5: Solve for x
    x = 1,179,357,835,942,773.25/39,203,349.81
  6. Step 6: Final answer
    x = 30,083,088.35

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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.