Home / 19,313,793.20-28,970,689.80-6,534,714.80

Finding the Fourth Proportional to 19,313,793.20, 28,970,689.80 and 6,534,714.80

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Solution

The fourth proportional to 19,313,793.20, 28,970,689.80 and 6,534,714.80 is: 9,802,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,793.20 : 28,970,689.80 = 6,534,714.80 : x
  2. Step 2: Convert to fraction form
    19,313,793.20/28,970,689.80 = 6,534,714.80/x
  3. Step 3: Cross multiply
    19,313,793.20x = 28,970,689.80 × 6,534,714.80
  4. Step 4: Simplify right side
    19,313,793.20x = 189,315,195,402,269.03
  5. Step 5: Solve for x
    x = 189,315,195,402,269.03/19,313,793.20
  6. Step 6: Final answer
    x = 9,802,072.20

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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.