Home / 30,432,954.98-45,541,674.32-18,923,841.97

Finding the Fourth Proportional to 30,432,954.98, 45,541,674.32 and 18,923,841.97

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Solution

The fourth proportional to 30,432,954.98, 45,541,674.32 and 18,923,841.97 is: 28,318,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432,954.98 : 45,541,674.32 = 18,923,841.97 : x
  2. Step 2: Convert to fraction form
    30,432,954.98/45,541,674.32 = 18,923,841.97/x
  3. Step 3: Cross multiply
    30,432,954.98x = 45,541,674.32 × 18,923,841.97
  4. Step 4: Simplify right side
    30,432,954.98x = 861,823,447,880,887.12
  5. Step 5: Solve for x
    x = 861,823,447,880,887.12/30,432,954.98
  6. Step 6: Final answer
    x = 28,318,756.70

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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.