Home / 10,192,048.60-15,288,072.90-9,412,601.80

Finding the Fourth Proportional to 10,192,048.60, 15,288,072.90 and 9,412,601.80

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Solution

The fourth proportional to 10,192,048.60, 15,288,072.90 and 9,412,601.80 is: 14,118,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192,048.60 : 15,288,072.90 = 9,412,601.80 : x
  2. Step 2: Convert to fraction form
    10,192,048.60/15,288,072.90 = 9,412,601.80/x
  3. Step 3: Cross multiply
    10,192,048.60x = 15,288,072.90 × 9,412,601.80
  4. Step 4: Simplify right side
    10,192,048.60x = 143,900,542,497,071.25
  5. Step 5: Solve for x
    x = 143,900,542,497,071.25/10,192,048.60
  6. Step 6: Final answer
    x = 14,118,902.70

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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.