Home / 6,128,729.31-8,457,020.57-3,773,553.06

Finding the Fourth Proportional to 6,128,729.31, 8,457,020.57 and 3,773,553.06

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Solution

The fourth proportional to 6,128,729.31, 8,457,020.57 and 3,773,553.06 is: 5,207,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,729.31 : 8,457,020.57 = 3,773,553.06 : x
  2. Step 2: Convert to fraction form
    6,128,729.31/8,457,020.57 = 3,773,553.06/x
  3. Step 3: Cross multiply
    6,128,729.31x = 8,457,020.57 × 3,773,553.06
  4. Step 4: Simplify right side
    6,128,729.31x = 31,913,015,831,538.68
  5. Step 5: Solve for x
    x = 31,913,015,831,538.68/6,128,729.31
  6. Step 6: Final answer
    x = 5,207,117.86

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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.