Home / 30,310,190.84-45,494,030.04-18,760,722.02

Finding the Fourth Proportional to 30,310,190.84, 45,494,030.04 and 18,760,722.02

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Solution

The fourth proportional to 30,310,190.84, 45,494,030.04 and 18,760,722.02 is: 28,158,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,190.84 : 45,494,030.04 = 18,760,722.02 : x
  2. Step 2: Convert to fraction form
    30,310,190.84/45,494,030.04 = 18,760,722.02/x
  3. Step 3: Cross multiply
    30,310,190.84x = 45,494,030.04 × 18,760,722.02
  4. Step 4: Simplify right side
    30,310,190.84x = 853,500,851,149,969.50
  5. Step 5: Solve for x
    x = 853,500,851,149,969.50/30,310,190.84
  6. Step 6: Final answer
    x = 28,158,874.21

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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.