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Finding the Fourth Proportional to 14,985,793.60, 22,478,690.40 and 11,206,657.60

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Solution

The fourth proportional to 14,985,793.60, 22,478,690.40 and 11,206,657.60 is: 16,809,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,793.60 : 22,478,690.40 = 11,206,657.60 : x
  2. Step 2: Convert to fraction form
    14,985,793.60/22,478,690.40 = 11,206,657.60/x
  3. Step 3: Cross multiply
    14,985,793.60x = 22,478,690.40 × 11,206,657.60
  4. Step 4: Simplify right side
    14,985,793.60x = 251,910,986,609,207
  5. Step 5: Solve for x
    x = 251,910,986,609,207/14,985,793.60
  6. Step 6: Final answer
    x = 16,809,986.40

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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.