Home / 39,520,853.51-54,537,606.48-21,880,542.26

Finding the Fourth Proportional to 39,520,853.51, 54,537,606.48 and 21,880,542.26

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Solution

The fourth proportional to 39,520,853.51, 54,537,606.48 and 21,880,542.26 is: 30,194,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520,853.51 : 54,537,606.48 = 21,880,542.26 : x
  2. Step 2: Convert to fraction form
    39,520,853.51/54,537,606.48 = 21,880,542.26/x
  3. Step 3: Cross multiply
    39,520,853.51x = 54,537,606.48 × 21,880,542.26
  4. Step 4: Simplify right side
    39,520,853.51x = 1,193,312,403,072,201.75
  5. Step 5: Solve for x
    x = 1,193,312,403,072,201.75/39,520,853.51
  6. Step 6: Final answer
    x = 30,194,499.80

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1.5x scale

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.