Home / 30,802,813.44-42,508,383.84-16,863,933.30

Finding the Fourth Proportional to 30,802,813.44, 42,508,383.84 and 16,863,933.30

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Solution

The fourth proportional to 30,802,813.44, 42,508,383.84 and 16,863,933.30 is: 23,272,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,813.44 : 42,508,383.84 = 16,863,933.30 : x
  2. Step 2: Convert to fraction form
    30,802,813.44/42,508,383.84 = 16,863,933.30/x
  3. Step 3: Cross multiply
    30,802,813.44x = 42,508,383.84 × 16,863,933.30
  4. Step 4: Simplify right side
    30,802,813.44x = 716,858,549,768,558
  5. Step 5: Solve for x
    x = 716,858,549,768,558/30,802,813.44
  6. Step 6: Final answer
    x = 23,272,502.40

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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.