Home / 21,244,509,621.45-29,319,994,110.28-12,091,264,058.70

Finding the Fourth Proportional to 21,244,509,621.45, 29,319,994,110.28 and 12,091,264,058.70

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Solution

The fourth proportional to 21,244,509,621.45, 29,319,994,110.28 and 12,091,264,058.70 is: 16,687,407,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,509,621.45 : 29,319,994,110.28 = 12,091,264,058.70 : x
  2. Step 2: Convert to fraction form
    21,244,509,621.45/29,319,994,110.28 = 12,091,264,058.70/x
  3. Step 3: Cross multiply
    21,244,509,621.45x = 29,319,994,110.28 × 12,091,264,058.70
  4. Step 4: Simplify right side
    21,244,509,621.45x = 354,515,790,986,924,261,376
  5. Step 5: Solve for x
    x = 354,515,790,986,924,261,376/21,244,509,621.45
  6. Step 6: Final answer
    x = 16,687,407,584.55

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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.