Home / 7,644,666.21-11,466,995.18-2,787,336.47

Finding the Fourth Proportional to 7,644,666.21, 11,466,995.18 and 2,787,336.47

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Solution

The fourth proportional to 7,644,666.21, 11,466,995.18 and 2,787,336.47 is: 4,181,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644,666.21 : 11,466,995.18 = 2,787,336.47 : x
  2. Step 2: Convert to fraction form
    7,644,666.21/11,466,995.18 = 2,787,336.47/x
  3. Step 3: Cross multiply
    7,644,666.21x = 11,466,995.18 × 2,787,336.47
  4. Step 4: Simplify right side
    7,644,666.21x = 31,962,373,795,256.56
  5. Step 5: Solve for x
    x = 31,962,373,795,256.56/7,644,666.21
  6. Step 6: Final answer
    x = 4,181,003.19

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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.