Home / 30,432,955.23-45,541,674.69-18,923,842.22

Finding the Fourth Proportional to 30,432,955.23, 45,541,674.69 and 18,923,842.22

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Solution

The fourth proportional to 30,432,955.23, 45,541,674.69 and 18,923,842.22 is: 28,318,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432,955.23 : 45,541,674.69 = 18,923,842.22 : x
  2. Step 2: Convert to fraction form
    30,432,955.23/45,541,674.69 = 18,923,842.22/x
  3. Step 3: Cross multiply
    30,432,955.23x = 45,541,674.69 × 18,923,842.22
  4. Step 4: Simplify right side
    30,432,955.23x = 861,823,466,040,419
  5. Step 5: Solve for x
    x = 861,823,466,040,419/30,432,955.23
  6. Step 6: Final answer
    x = 28,318,757.07

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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.