Home / 30,432,955.61-45,541,675.26-18,923,842.59

Finding the Fourth Proportional to 30,432,955.61, 45,541,675.26 and 18,923,842.59

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Solution

The fourth proportional to 30,432,955.61, 45,541,675.26 and 18,923,842.59 is: 28,318,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432,955.61 : 45,541,675.26 = 18,923,842.59 : x
  2. Step 2: Convert to fraction form
    30,432,955.61/45,541,675.26 = 18,923,842.59/x
  3. Step 3: Cross multiply
    30,432,955.61x = 45,541,675.26 × 18,923,842.59
  4. Step 4: Simplify right side
    30,432,955.61x = 861,823,493,905,137.25
  5. Step 5: Solve for x
    x = 861,823,493,905,137.25/30,432,955.61
  6. Step 6: Final answer
    x = 28,318,757.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.