Home / 39,203,028.84-54,100,224.63-21,799,000.39

Finding the Fourth Proportional to 39,203,028.84, 54,100,224.63 and 21,799,000.39

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Solution

The fourth proportional to 39,203,028.84, 54,100,224.63 and 21,799,000.39 is: 30,082,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,028.84 : 54,100,224.63 = 21,799,000.39 : x
  2. Step 2: Convert to fraction form
    39,203,028.84/54,100,224.63 = 21,799,000.39/x
  3. Step 3: Cross multiply
    39,203,028.84x = 54,100,224.63 × 21,799,000.39
  4. Step 4: Simplify right side
    39,203,028.84x = 1,179,330,817,808,457.75
  5. Step 5: Solve for x
    x = 1,179,330,817,808,457.75/39,203,028.84
  6. Step 6: Final answer
    x = 30,082,645.47

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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.