Home / 7,682,467.96-10,571,208.78-7,448,721.40

Finding the Fourth Proportional to 7,682,467.96, 10,571,208.78 and 7,448,721.40

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Solution

The fourth proportional to 7,682,467.96, 10,571,208.78 and 7,448,721.40 is: 10,249,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682,467.96 : 10,571,208.78 = 7,448,721.40 : x
  2. Step 2: Convert to fraction form
    7,682,467.96/10,571,208.78 = 7,448,721.40/x
  3. Step 3: Cross multiply
    7,682,467.96x = 10,571,208.78 × 7,448,721.40
  4. Step 4: Simplify right side
    7,682,467.96x = 78,741,989,063,453.89
  5. Step 5: Solve for x
    x = 78,741,989,063,453.89/7,682,467.96
  6. Step 6: Final answer
    x = 10,249,569.47

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Double scale
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1.5x scale

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.