Home / 30,479,036.51-42,061,180.52-16,540,388.60

Finding the Fourth Proportional to 30,479,036.51, 42,061,180.52 and 16,540,388.60

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Solution

The fourth proportional to 30,479,036.51, 42,061,180.52 and 16,540,388.60 is: 22,825,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479,036.51 : 42,061,180.52 = 16,540,388.60 : x
  2. Step 2: Convert to fraction form
    30,479,036.51/42,061,180.52 = 16,540,388.60/x
  3. Step 3: Cross multiply
    30,479,036.51x = 42,061,180.52 × 16,540,388.60
  4. Step 4: Simplify right side
    30,479,036.51x = 695,708,270,606,595.12
  5. Step 5: Solve for x
    x = 695,708,270,606,595.12/30,479,036.51
  6. Step 6: Final answer
    x = 22,825,796.03

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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.