Home / 20,778,722.04-28,674,590.22-11,611,365.72

Finding the Fourth Proportional to 20,778,722.04, 28,674,590.22 and 11,611,365.72

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Solution

The fourth proportional to 20,778,722.04, 28,674,590.22 and 11,611,365.72 is: 16,023,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,778,722.04 : 28,674,590.22 = 11,611,365.72 : x
  2. Step 2: Convert to fraction form
    20,778,722.04/28,674,590.22 = 11,611,365.72/x
  3. Step 3: Cross multiply
    20,778,722.04x = 28,674,590.22 × 11,611,365.72
  4. Step 4: Simplify right side
    20,778,722.04x = 332,951,153,915,555.25
  5. Step 5: Solve for x
    x = 332,951,153,915,555.25/20,778,722.04
  6. Step 6: Final answer
    x = 16,023,658.88

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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.