Home / 19,847,542.80-29,771,314.20-9,769,846.80

Finding the Fourth Proportional to 19,847,542.80, 29,771,314.20 and 9,769,846.80

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Solution

The fourth proportional to 19,847,542.80, 29,771,314.20 and 9,769,846.80 is: 14,654,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847,542.80 : 29,771,314.20 = 9,769,846.80 : x
  2. Step 2: Convert to fraction form
    19,847,542.80/29,771,314.20 = 9,769,846.80/x
  3. Step 3: Cross multiply
    19,847,542.80x = 29,771,314.20 × 9,769,846.80
  4. Step 4: Simplify right side
    19,847,542.80x = 290,861,178,768,664.56
  5. Step 5: Solve for x
    x = 290,861,178,768,664.56/19,847,542.80
  6. Step 6: Final answer
    x = 14,654,770.20

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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.