Home / 30,432,954.87-45,541,674.12-18,923,841.84

Finding the Fourth Proportional to 30,432,954.87, 45,541,674.12 and 18,923,841.84

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Solution

The fourth proportional to 30,432,954.87, 45,541,674.12 and 18,923,841.84 is: 28,318,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432,954.87 : 45,541,674.12 = 18,923,841.84 : x
  2. Step 2: Convert to fraction form
    30,432,954.87/45,541,674.12 = 18,923,841.84/x
  3. Step 3: Cross multiply
    30,432,954.87x = 45,541,674.12 × 18,923,841.84
  4. Step 4: Simplify right side
    30,432,954.87x = 861,823,438,175,701.12
  5. Step 5: Solve for x
    x = 861,823,438,175,701.12/30,432,954.87
  6. Step 6: Final answer
    x = 28,318,756.49

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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.