Home / 30,519,883.08-42,107,022.18-18,913,211.64

Finding the Fourth Proportional to 30,519,883.08, 42,107,022.18 and 18,913,211.64

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Solution

The fourth proportional to 30,519,883.08, 42,107,022.18 and 18,913,211.64 is: 26,093,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519,883.08 : 42,107,022.18 = 18,913,211.64 : x
  2. Step 2: Convert to fraction form
    30,519,883.08/42,107,022.18 = 18,913,211.64/x
  3. Step 3: Cross multiply
    30,519,883.08x = 42,107,022.18 × 18,913,211.64
  4. Step 4: Simplify right side
    30,519,883.08x = 796,379,022,020,514.25
  5. Step 5: Solve for x
    x = 796,379,022,020,514.25/30,519,883.08
  6. Step 6: Final answer
    x = 26,093,776.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.