Home / 19,228,278.80-28,842,418.20-18,556,432.40

Finding the Fourth Proportional to 19,228,278.80, 28,842,418.20 and 18,556,432.40

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Solution

The fourth proportional to 19,228,278.80, 28,842,418.20 and 18,556,432.40 is: 27,834,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228,278.80 : 28,842,418.20 = 18,556,432.40 : x
  2. Step 2: Convert to fraction form
    19,228,278.80/28,842,418.20 = 18,556,432.40/x
  3. Step 3: Cross multiply
    19,228,278.80x = 28,842,418.20 × 18,556,432.40
  4. Step 4: Simplify right side
    19,228,278.80x = 535,212,383,580,829.62
  5. Step 5: Solve for x
    x = 535,212,383,580,829.62/19,228,278.80
  6. Step 6: Final answer
    x = 27,834,648.60

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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.