Home / 35,878,669.78-49,497,032.55-21,940,634.20

Finding the Fourth Proportional to 35,878,669.78, 49,497,032.55 and 21,940,634.20

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Solution

The fourth proportional to 35,878,669.78, 49,497,032.55 and 21,940,634.20 is: 30,268,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,878,669.78 : 49,497,032.55 = 21,940,634.20 : x
  2. Step 2: Convert to fraction form
    35,878,669.78/49,497,032.55 = 21,940,634.20/x
  3. Step 3: Cross multiply
    35,878,669.78x = 49,497,032.55 × 21,940,634.20
  4. Step 4: Simplify right side
    35,878,669.78x = 1,085,996,285,041,300.62
  5. Step 5: Solve for x
    x = 1,085,996,285,041,300.62/35,878,669.78
  6. Step 6: Final answer
    x = 30,268,577.17

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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.