Home / 35,511,612.78-53,113,539.06-20,903,718.48

Finding the Fourth Proportional to 35,511,612.78, 53,113,539.06 and 20,903,718.48

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Solution

The fourth proportional to 35,511,612.78, 53,113,539.06 and 20,903,718.48 is: 31,264,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,511,612.78 : 53,113,539.06 = 20,903,718.48 : x
  2. Step 2: Convert to fraction form
    35,511,612.78/53,113,539.06 = 20,903,718.48/x
  3. Step 3: Cross multiply
    35,511,612.78x = 53,113,539.06 × 20,903,718.48
  4. Step 4: Simplify right side
    35,511,612.78x = 1,110,270,467,986,723.88
  5. Step 5: Solve for x
    x = 1,110,270,467,986,723.88/35,511,612.78
  6. Step 6: Final answer
    x = 31,264,997.03

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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.