Home / 8,935,147.76-13,393,390.38-4,379,889.20

Finding the Fourth Proportional to 8,935,147.76, 13,393,390.38 and 4,379,889.20

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Solution

The fourth proportional to 8,935,147.76, 13,393,390.38 and 4,379,889.20 is: 6,565,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935,147.76 : 13,393,390.38 = 4,379,889.20 : x
  2. Step 2: Convert to fraction form
    8,935,147.76/13,393,390.38 = 4,379,889.20/x
  3. Step 3: Cross multiply
    8,935,147.76x = 13,393,390.38 × 4,379,889.20
  4. Step 4: Simplify right side
    8,935,147.76x = 58,661,565,809,778.95
  5. Step 5: Solve for x
    x = 58,661,565,809,778.95/8,935,147.76
  6. Step 6: Final answer
    x = 6,565,259.74

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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.