Home / 39,015,813.98-53,841,211.62-21,374,577.74

Finding the Fourth Proportional to 39,015,813.98, 53,841,211.62 and 21,374,577.74

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Solution

The fourth proportional to 39,015,813.98, 53,841,211.62 and 21,374,577.74 is: 29,496,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015,813.98 : 53,841,211.62 = 21,374,577.74 : x
  2. Step 2: Convert to fraction form
    39,015,813.98/53,841,211.62 = 21,374,577.74/x
  3. Step 3: Cross multiply
    39,015,813.98x = 53,841,211.62 × 21,374,577.74
  4. Step 4: Simplify right side
    39,015,813.98x = 1,150,833,163,387,481.25
  5. Step 5: Solve for x
    x = 1,150,833,163,387,481.25/39,015,813.98
  6. Step 6: Final answer
    x = 29,496,582.18

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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.