Home / 15,422,370,578.57-21,285,923,622.31-10,003,621,595.29

Finding the Fourth Proportional to 15,422,370,578.57, 21,285,923,622.31 and 10,003,621,595.29

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Solution

The fourth proportional to 15,422,370,578.57, 21,285,923,622.31 and 10,003,621,595.29 is: 13,806,977,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,370,578.57 : 21,285,923,622.31 = 10,003,621,595.29 : x
  2. Step 2: Convert to fraction form
    15,422,370,578.57/21,285,923,622.31 = 10,003,621,595.29/x
  3. Step 3: Cross multiply
    15,422,370,578.57x = 21,285,923,622.31 × 10,003,621,595.29
  4. Step 4: Simplify right side
    15,422,370,578.57x = 212,936,325,223,717,404,672
  5. Step 5: Solve for x
    x = 212,936,325,223,717,404,672/15,422,370,578.57
  6. Step 6: Final answer
    x = 13,806,977,606.91

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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.