Home / 20,633,766.40-28,917,132.80-20,633,766.40

Finding the Fourth Proportional to 20,633,766.40, 28,917,132.80 and 20,633,766.40

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Solution

The fourth proportional to 20,633,766.40, 28,917,132.80 and 20,633,766.40 is: 28,917,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633,766.40 : 28,917,132.80 = 20,633,766.40 : x
  2. Step 2: Convert to fraction form
    20,633,766.40/28,917,132.80 = 20,633,766.40/x
  3. Step 3: Cross multiply
    20,633,766.40x = 28,917,132.80 × 20,633,766.40
  4. Step 4: Simplify right side
    20,633,766.40x = 596,669,363,152,977.88
  5. Step 5: Solve for x
    x = 596,669,363,152,977.88/20,633,766.40
  6. Step 6: Final answer
    x = 28,917,132.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.