Home / 6,820,223.12-9,410,502.92-3,919,053.48

Finding the Fourth Proportional to 6,820,223.12, 9,410,502.92 and 3,919,053.48

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Solution

The fourth proportional to 6,820,223.12, 9,410,502.92 and 3,919,053.48 is: 5,407,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820,223.12 : 9,410,502.92 = 3,919,053.48 : x
  2. Step 2: Convert to fraction form
    6,820,223.12/9,410,502.92 = 3,919,053.48/x
  3. Step 3: Cross multiply
    6,820,223.12x = 9,410,502.92 × 3,919,053.48
  4. Step 4: Simplify right side
    6,820,223.12x = 36,880,264,197,580.89
  5. Step 5: Solve for x
    x = 36,880,264,197,580.89/6,820,223.12
  6. Step 6: Final answer
    x = 5,407,486.47

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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.