Home / 38,804,550.80-58,212,010.20-13,239,136.40

Finding the Fourth Proportional to 38,804,550.80, 58,212,010.20 and 13,239,136.40

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Solution

The fourth proportional to 38,804,550.80, 58,212,010.20 and 13,239,136.40 is: 19,860,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,804,550.80 : 58,212,010.20 = 13,239,136.40 : x
  2. Step 2: Convert to fraction form
    38,804,550.80/58,212,010.20 = 13,239,136.40/x
  3. Step 3: Cross multiply
    38,804,550.80x = 58,212,010.20 × 13,239,136.40
  4. Step 4: Simplify right side
    38,804,550.80x = 770,676,743,155,991.38
  5. Step 5: Solve for x
    x = 770,676,743,155,991.38/38,804,550.80
  6. Step 6: Final answer
    x = 19,860,473.25

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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.