Home / 5,433,661.20-8,150,491.80-4,078,486.65

Finding the Fourth Proportional to 5,433,661.20, 8,150,491.80 and 4,078,486.65

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Solution

The fourth proportional to 5,433,661.20, 8,150,491.80 and 4,078,486.65 is: 6,117,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,661.20 : 8,150,491.80 = 4,078,486.65 : x
  2. Step 2: Convert to fraction form
    5,433,661.20/8,150,491.80 = 4,078,486.65/x
  3. Step 3: Cross multiply
    5,433,661.20x = 8,150,491.80 × 4,078,486.65
  4. Step 4: Simplify right side
    5,433,661.20x = 33,241,671,997,234.47
  5. Step 5: Solve for x
    x = 33,241,671,997,234.47/5,433,661.20
  6. Step 6: Final answer
    x = 6,117,729.98

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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.