Home / 21,242,275,576.33-31,847,705,046.04-12,846,314,640.02

Finding the Fourth Proportional to 21,242,275,576.33, 31,847,705,046.04 and 12,846,314,640.02

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Solution

The fourth proportional to 21,242,275,576.33, 31,847,705,046.04 and 12,846,314,640.02 is: 19,259,972,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242,275,576.33 : 31,847,705,046.04 = 12,846,314,640.02 : x
  2. Step 2: Convert to fraction form
    21,242,275,576.33/31,847,705,046.04 = 12,846,314,640.02/x
  3. Step 3: Cross multiply
    21,242,275,576.33x = 31,847,705,046.04 × 12,846,314,640.02
  4. Step 4: Simplify right side
    21,242,275,576.33x = 409,125,639,583,874,613,248
  5. Step 5: Solve for x
    x = 409,125,639,583,874,613,248/21,242,275,576.33
  6. Step 6: Final answer
    x = 19,259,972,318.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.