Home / 20,352,021.10-30,528,031.65-19,092,309.10

Finding the Fourth Proportional to 20,352,021.10, 30,528,031.65 and 19,092,309.10

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Solution

The fourth proportional to 20,352,021.10, 30,528,031.65 and 19,092,309.10 is: 28,638,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,021.10 : 30,528,031.65 = 19,092,309.10 : x
  2. Step 2: Convert to fraction form
    20,352,021.10/30,528,031.65 = 19,092,309.10/x
  3. Step 3: Cross multiply
    20,352,021.10x = 30,528,031.65 × 19,092,309.10
  4. Step 4: Simplify right side
    20,352,021.10x = 582,850,616,476,383
  5. Step 5: Solve for x
    x = 582,850,616,476,383/20,352,021.10
  6. Step 6: Final answer
    x = 28,638,463.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.