Home / 12,010,502.90-18,012,028.26-4,333,149.71

Finding the Fourth Proportional to 12,010,502.90, 18,012,028.26 and 4,333,149.71

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Solution

The fourth proportional to 12,010,502.90, 18,012,028.26 and 4,333,149.71 is: 6,498,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010,502.90 : 18,012,028.26 = 4,333,149.71 : x
  2. Step 2: Convert to fraction form
    12,010,502.90/18,012,028.26 = 4,333,149.71/x
  3. Step 3: Cross multiply
    12,010,502.90x = 18,012,028.26 × 4,333,149.71
  4. Step 4: Simplify right side
    12,010,502.90x = 78,048,814,941,270.67
  5. Step 5: Solve for x
    x = 78,048,814,941,270.67/12,010,502.90
  6. Step 6: Final answer
    x = 6,498,380.26

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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.