Home / 21,003,201.75-31,504,802.64-5,046,849.75

Finding the Fourth Proportional to 21,003,201.75, 31,504,802.64 and 5,046,849.75

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Solution

The fourth proportional to 21,003,201.75, 31,504,802.64 and 5,046,849.75 is: 7,570,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,201.75 : 31,504,802.64 = 5,046,849.75 : x
  2. Step 2: Convert to fraction form
    21,003,201.75/31,504,802.64 = 5,046,849.75/x
  3. Step 3: Cross multiply
    21,003,201.75x = 31,504,802.64 × 5,046,849.75
  4. Step 4: Simplify right side
    21,003,201.75x = 159,000,005,327,483.34
  5. Step 5: Solve for x
    x = 159,000,005,327,483.34/21,003,201.75
  6. Step 6: Final answer
    x = 7,570,274.63

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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.