Home / 15,476,040,921.60-21,356,942,215.68-8,793,046,264.32

Finding the Fourth Proportional to 15,476,040,921.60, 21,356,942,215.68 and 8,793,046,264.32

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Solution

The fourth proportional to 15,476,040,921.60, 21,356,942,215.68 and 8,793,046,264.32 is: 12,134,407,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476,040,921.60 : 21,356,942,215.68 = 8,793,046,264.32 : x
  2. Step 2: Convert to fraction form
    15,476,040,921.60/21,356,942,215.68 = 8,793,046,264.32/x
  3. Step 3: Cross multiply
    15,476,040,921.60x = 21,356,942,215.68 × 8,793,046,264.32
  4. Step 4: Simplify right side
    15,476,040,921.60x = 187,792,580,966,883,131,392
  5. Step 5: Solve for x
    x = 187,792,580,966,883,131,392/15,476,040,921.60
  6. Step 6: Final answer
    x = 12,134,407,108.27

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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.