Home / 38,582,361.50-53,242,990.70-20,940,885.51

Finding the Fourth Proportional to 38,582,361.50, 53,242,990.70 and 20,940,885.51

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Solution

The fourth proportional to 38,582,361.50, 53,242,990.70 and 20,940,885.51 is: 28,898,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582,361.50 : 53,242,990.70 = 20,940,885.51 : x
  2. Step 2: Convert to fraction form
    38,582,361.50/53,242,990.70 = 20,940,885.51/x
  3. Step 3: Cross multiply
    38,582,361.50x = 53,242,990.70 × 20,940,885.51
  4. Step 4: Simplify right side
    38,582,361.50x = 1,114,955,372,458,694.88
  5. Step 5: Solve for x
    x = 1,114,955,372,458,694.88/38,582,361.50
  6. Step 6: Final answer
    x = 28,898,059.35

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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.