Home / 15,627,372.72-21,560,377.32-9,826,595.88

Finding the Fourth Proportional to 15,627,372.72, 21,560,377.32 and 9,826,595.88

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Solution

The fourth proportional to 15,627,372.72, 21,560,377.32 and 9,826,595.88 is: 13,557,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627,372.72 : 21,560,377.32 = 9,826,595.88 : x
  2. Step 2: Convert to fraction form
    15,627,372.72/21,560,377.32 = 9,826,595.88/x
  3. Step 3: Cross multiply
    15,627,372.72x = 21,560,377.32 × 9,826,595.88
  4. Step 4: Simplify right side
    15,627,372.72x = 211,865,114,943,957.47
  5. Step 5: Solve for x
    x = 211,865,114,943,957.47/15,627,372.72
  6. Step 6: Final answer
    x = 13,557,308.62

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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.