Home / 6,463,983.75-8,920,357.76-3,563,478.41

Finding the Fourth Proportional to 6,463,983.75, 8,920,357.76 and 3,563,478.41

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Solution

The fourth proportional to 6,463,983.75, 8,920,357.76 and 3,563,478.41 is: 4,917,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,983.75 : 8,920,357.76 = 3,563,478.41 : x
  2. Step 2: Convert to fraction form
    6,463,983.75/8,920,357.76 = 3,563,478.41/x
  3. Step 3: Cross multiply
    6,463,983.75x = 8,920,357.76 × 3,563,478.41
  4. Step 4: Simplify right side
    6,463,983.75x = 31,787,502,224,816.78
  5. Step 5: Solve for x
    x = 31,787,502,224,816.78/6,463,983.75
  6. Step 6: Final answer
    x = 4,917,633.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.