Home / 30,542,141.35-42,147,777.14-16,790,985.19

Finding the Fourth Proportional to 30,542,141.35, 42,147,777.14 and 16,790,985.19

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Solution

The fourth proportional to 30,542,141.35, 42,147,777.14 and 16,790,985.19 is: 23,171,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542,141.35 : 42,147,777.14 = 16,790,985.19 : x
  2. Step 2: Convert to fraction form
    30,542,141.35/42,147,777.14 = 16,790,985.19/x
  3. Step 3: Cross multiply
    30,542,141.35x = 42,147,777.14 × 16,790,985.19
  4. Step 4: Simplify right side
    30,542,141.35x = 707,702,701,538,421.62
  5. Step 5: Solve for x
    x = 707,702,701,538,421.62/30,542,141.35
  6. Step 6: Final answer
    x = 23,171,351.79

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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.