Home / 21,033,138-29,025,730.44-11,375,346

Finding the Fourth Proportional to 21,033,138, 29,025,730.44 and 11,375,346

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Solution

The fourth proportional to 21,033,138, 29,025,730.44 and 11,375,346 is: 15,697,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,138 : 29,025,730.44 = 11,375,346 : x
  2. Step 2: Convert to fraction form
    21,033,138/29,025,730.44 = 11,375,346/x
  3. Step 3: Cross multiply
    21,033,138x = 29,025,730.44 × 11,375,346
  4. Step 4: Simplify right side
    21,033,138x = 330,177,726,657,732.25
  5. Step 5: Solve for x
    x = 330,177,726,657,732.25/21,033,138
  6. Step 6: Final answer
    x = 15,697,977.48

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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.