Home / 21,595,333-29,801,913.60-12,894,265.96

Finding the Fourth Proportional to 21,595,333, 29,801,913.60 and 12,894,265.96

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Solution

The fourth proportional to 21,595,333, 29,801,913.60 and 12,894,265.96 is: 17,794,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595,333 : 29,801,913.60 = 12,894,265.96 : x
  2. Step 2: Convert to fraction form
    21,595,333/29,801,913.60 = 12,894,265.96/x
  3. Step 3: Cross multiply
    21,595,333x = 29,801,913.60 × 12,894,265.96
  4. Step 4: Simplify right side
    21,595,333x = 384,273,800,075,341.12
  5. Step 5: Solve for x
    x = 384,273,800,075,341.12/21,595,333
  6. Step 6: Final answer
    x = 17,794,298.43

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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.