Home / 9,655,712.49-13,325,118.12-5,305,080.60

Finding the Fourth Proportional to 9,655,712.49, 13,325,118.12 and 5,305,080.60

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Solution

The fourth proportional to 9,655,712.49, 13,325,118.12 and 5,305,080.60 is: 7,321,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655,712.49 : 13,325,118.12 = 5,305,080.60 : x
  2. Step 2: Convert to fraction form
    9,655,712.49/13,325,118.12 = 5,305,080.60/x
  3. Step 3: Cross multiply
    9,655,712.49x = 13,325,118.12 × 5,305,080.60
  4. Step 4: Simplify right side
    9,655,712.49x = 70,690,825,631,120.47
  5. Step 5: Solve for x
    x = 70,690,825,631,120.47/9,655,712.49
  6. Step 6: Final answer
    x = 7,321,140.28

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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.