Home / 6,128,729.57-8,457,020.91-3,773,553.32

Finding the Fourth Proportional to 6,128,729.57, 8,457,020.91 and 3,773,553.32

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Solution

The fourth proportional to 6,128,729.57, 8,457,020.91 and 3,773,553.32 is: 5,207,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,729.57 : 8,457,020.91 = 3,773,553.32 : x
  2. Step 2: Convert to fraction form
    6,128,729.57/8,457,020.91 = 3,773,553.32/x
  3. Step 3: Cross multiply
    6,128,729.57x = 8,457,020.91 × 3,773,553.32
  4. Step 4: Simplify right side
    6,128,729.57x = 31,913,019,289,954.82
  5. Step 5: Solve for x
    x = 31,913,019,289,954.82/6,128,729.57
  6. Step 6: Final answer
    x = 5,207,118.20

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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.