Home / 20,352,020.10-30,528,030.15-19,092,308.10

Finding the Fourth Proportional to 20,352,020.10, 30,528,030.15 and 19,092,308.10

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Solution

The fourth proportional to 20,352,020.10, 30,528,030.15 and 19,092,308.10 is: 28,638,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,020.10 : 30,528,030.15 = 19,092,308.10 : x
  2. Step 2: Convert to fraction form
    20,352,020.10/30,528,030.15 = 19,092,308.10/x
  3. Step 3: Cross multiply
    20,352,020.10x = 30,528,030.15 × 19,092,308.10
  4. Step 4: Simplify right side
    20,352,020.10x = 582,850,557,309,889.25
  5. Step 5: Solve for x
    x = 582,850,557,309,889.25/20,352,020.10
  6. Step 6: Final answer
    x = 28,638,462.15

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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.