Home / 39,353,336.82-54,307,679.31-21,950,809.20

Finding the Fourth Proportional to 39,353,336.82, 54,307,679.31 and 21,950,809.20

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Solution

The fourth proportional to 39,353,336.82, 54,307,679.31 and 21,950,809.20 is: 30,292,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353,336.82 : 54,307,679.31 = 21,950,809.20 : x
  2. Step 2: Convert to fraction form
    39,353,336.82/54,307,679.31 = 21,950,809.20/x
  3. Step 3: Cross multiply
    39,353,336.82x = 54,307,679.31 × 21,950,809.20
  4. Step 4: Simplify right side
    39,353,336.82x = 1,192,097,506,628,597.75
  5. Step 5: Solve for x
    x = 1,192,097,506,628,597.75/39,353,336.82
  6. Step 6: Final answer
    x = 30,292,158.25

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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.