Home / 21,003,180-31,504,770-5,046,828

Finding the Fourth Proportional to 21,003,180, 31,504,770 and 5,046,828

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Solution

The fourth proportional to 21,003,180, 31,504,770 and 5,046,828 is: 7,570,242

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,180 : 31,504,770 = 5,046,828 : x
  2. Step 2: Convert to fraction form
    21,003,180/31,504,770 = 5,046,828/x
  3. Step 3: Cross multiply
    21,003,180x = 31,504,770 × 5,046,828
  4. Step 4: Simplify right side
    21,003,180x = 158,999,155,369,560
  5. Step 5: Solve for x
    x = 158,999,155,369,560/21,003,180
  6. Step 6: Final answer
    x = 7,570,242

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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.