Home / 8,323,660-11,487,584.40-4,702,221.28

Finding the Fourth Proportional to 8,323,660, 11,487,584.40 and 4,702,221.28

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Solution

The fourth proportional to 8,323,660, 11,487,584.40 and 4,702,221.28 is: 6,489,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,660 : 11,487,584.40 = 4,702,221.28 : x
  2. Step 2: Convert to fraction form
    8,323,660/11,487,584.40 = 4,702,221.28/x
  3. Step 3: Cross multiply
    8,323,660x = 11,487,584.40 × 4,702,221.28
  4. Step 4: Simplify right side
    8,323,660x = 54,017,163,821,476.04
  5. Step 5: Solve for x
    x = 54,017,163,821,476.04/8,323,660
  6. Step 6: Final answer
    x = 6,489,592.78

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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.