Home / 21,244,518,955.82-29,320,006,962.65-12,091,273,272.30

Finding the Fourth Proportional to 21,244,518,955.82, 29,320,006,962.65 and 12,091,273,272.30

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Solution

The fourth proportional to 21,244,518,955.82, 29,320,006,962.65 and 12,091,273,272.30 is: 16,687,420,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,518,955.82 : 29,320,006,962.65 = 12,091,273,272.30 : x
  2. Step 2: Convert to fraction form
    21,244,518,955.82/29,320,006,962.65 = 12,091,273,272.30/x
  3. Step 3: Cross multiply
    21,244,518,955.82x = 29,320,006,962.65 × 12,091,273,272.30
  4. Step 4: Simplify right side
    21,244,518,955.82x = 354,516,216,531,139,821,568
  5. Step 5: Solve for x
    x = 354,516,216,531,139,821,568/21,244,518,955.82
  6. Step 6: Final answer
    x = 16,687,420,283.25

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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.