Home / 21,037,489,700.38-29,032,648,377.87-11,650,115,876.38

Finding the Fourth Proportional to 21,037,489,700.38, 29,032,648,377.87 and 11,650,115,876.38

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Solution

The fourth proportional to 21,037,489,700.38, 29,032,648,377.87 and 11,650,115,876.38 is: 16,077,665,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,489,700.38 : 29,032,648,377.87 = 11,650,115,876.38 : x
  2. Step 2: Convert to fraction form
    21,037,489,700.38/29,032,648,377.87 = 11,650,115,876.38/x
  3. Step 3: Cross multiply
    21,037,489,700.38x = 29,032,648,377.87 × 11,650,115,876.38
  4. Step 4: Simplify right side
    21,037,489,700.38x = 338,233,717,800,381,317,120
  5. Step 5: Solve for x
    x = 338,233,717,800,381,317,120/21,037,489,700.38
  6. Step 6: Final answer
    x = 16,077,665,283.15

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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.