Home / 39,520,871.83-54,537,631.75-21,880,560.66

Finding the Fourth Proportional to 39,520,871.83, 54,537,631.75 and 21,880,560.66

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Solution

The fourth proportional to 39,520,871.83, 54,537,631.75 and 21,880,560.66 is: 30,194,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520,871.83 : 54,537,631.75 = 21,880,560.66 : x
  2. Step 2: Convert to fraction form
    39,520,871.83/54,537,631.75 = 21,880,560.66/x
  3. Step 3: Cross multiply
    39,520,871.83x = 54,537,631.75 × 21,880,560.66
  4. Step 4: Simplify right side
    39,520,871.83x = 1,193,313,959,765,147.50
  5. Step 5: Solve for x
    x = 1,193,313,959,765,147.50/39,520,871.83
  6. Step 6: Final answer
    x = 30,194,525.18

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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.