Home / 15,873,703,011.14-21,904,286,344.89-9,191,150,600.90

Finding the Fourth Proportional to 15,873,703,011.14, 21,904,286,344.89 and 9,191,150,600.90

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Solution

The fourth proportional to 15,873,703,011.14, 21,904,286,344.89 and 9,191,150,600.90 is: 12,682,963,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873,703,011.14 : 21,904,286,344.89 = 9,191,150,600.90 : x
  2. Step 2: Convert to fraction form
    15,873,703,011.14/21,904,286,344.89 = 9,191,150,600.90/x
  3. Step 3: Cross multiply
    15,873,703,011.14x = 21,904,286,344.89 × 9,191,150,600.90
  4. Step 4: Simplify right side
    15,873,703,011.14x = 201,325,594,601,121,382,400
  5. Step 5: Solve for x
    x = 201,325,594,601,121,382,400/15,873,703,011.14
  6. Step 6: Final answer
    x = 12,682,963,418.17

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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.