Home / 39,520,853.89-54,537,606.99-21,880,542.63

Finding the Fourth Proportional to 39,520,853.89, 54,537,606.99 and 21,880,542.63

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Solution

The fourth proportional to 39,520,853.89, 54,537,606.99 and 21,880,542.63 is: 30,194,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520,853.89 : 54,537,606.99 = 21,880,542.63 : x
  2. Step 2: Convert to fraction form
    39,520,853.89/54,537,606.99 = 21,880,542.63/x
  3. Step 3: Cross multiply
    39,520,853.89x = 54,537,606.99 × 21,880,542.63
  4. Step 4: Simplify right side
    39,520,853.89x = 1,193,312,434,682,881
  5. Step 5: Solve for x
    x = 1,193,312,434,682,881/39,520,853.89
  6. Step 6: Final answer
    x = 30,194,500.30

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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.