Home / 30,873,865.68-42,607,357-17,122,010.32

Finding the Fourth Proportional to 30,873,865.68, 42,607,357 and 17,122,010.32

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Solution

The fourth proportional to 30,873,865.68, 42,607,357 and 17,122,010.32 is: 23,629,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873,865.68 : 42,607,357 = 17,122,010.32 : x
  2. Step 2: Convert to fraction form
    30,873,865.68/42,607,357 = 17,122,010.32/x
  3. Step 3: Cross multiply
    30,873,865.68x = 42,607,357 × 17,122,010.32
  4. Step 4: Simplify right side
    30,873,865.68x = 729,523,606,261,924.25
  5. Step 5: Solve for x
    x = 729,523,606,261,924.25/30,873,865.68
  6. Step 6: Final answer
    x = 23,629,163.05

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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.