Home / 30,310,161.53-45,493,986.02-18,760,692.65

Finding the Fourth Proportional to 30,310,161.53, 45,493,986.02 and 18,760,692.65

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Solution

The fourth proportional to 30,310,161.53, 45,493,986.02 and 18,760,692.65 is: 28,158,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,161.53 : 45,493,986.02 = 18,760,692.65 : x
  2. Step 2: Convert to fraction form
    30,310,161.53/45,493,986.02 = 18,760,692.65/x
  3. Step 3: Cross multiply
    30,310,161.53x = 45,493,986.02 × 18,760,692.65
  4. Step 4: Simplify right side
    30,310,161.53x = 853,498,688,823,343.38
  5. Step 5: Solve for x
    x = 853,498,688,823,343.38/30,310,161.53
  6. Step 6: Final answer
    x = 28,158,830.10

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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.