Home / 6,486,678.57-8,950,131.30-3,872,673.90

Finding the Fourth Proportional to 6,486,678.57, 8,950,131.30 and 3,872,673.90

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Solution

The fourth proportional to 6,486,678.57, 8,950,131.30 and 3,872,673.90 is: 5,343,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486,678.57 : 8,950,131.30 = 3,872,673.90 : x
  2. Step 2: Convert to fraction form
    6,486,678.57/8,950,131.30 = 3,872,673.90/x
  3. Step 3: Cross multiply
    6,486,678.57x = 8,950,131.30 × 3,872,673.90
  4. Step 4: Simplify right side
    6,486,678.57x = 34,660,939,887,083.07
  5. Step 5: Solve for x
    x = 34,660,939,887,083.07/6,486,678.57
  6. Step 6: Final answer
    x = 5,343,403.33

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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.