Home / 8,353,076.20-12,501,620.70-7,345,306.60

Finding the Fourth Proportional to 8,353,076.20, 12,501,620.70 and 7,345,306.60

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Solution

The fourth proportional to 8,353,076.20, 12,501,620.70 and 7,345,306.60 is: 10,993,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,076.20 : 12,501,620.70 = 7,345,306.60 : x
  2. Step 2: Convert to fraction form
    8,353,076.20/12,501,620.70 = 7,345,306.60/x
  3. Step 3: Cross multiply
    8,353,076.20x = 12,501,620.70 × 7,345,306.60
  4. Step 4: Simplify right side
    8,353,076.20x = 91,828,237,038,406.61
  5. Step 5: Solve for x
    x = 91,828,237,038,406.61/8,353,076.20
  6. Step 6: Final answer
    x = 10,993,343.63

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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.