Home / 28,119,229.99-42,178,451.32-11,080,050.55

Finding the Fourth Proportional to 28,119,229.99, 42,178,451.32 and 11,080,050.55

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Solution

The fourth proportional to 28,119,229.99, 42,178,451.32 and 11,080,050.55 is: 16,619,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119,229.99 : 42,178,451.32 = 11,080,050.55 : x
  2. Step 2: Convert to fraction form
    28,119,229.99/42,178,451.32 = 11,080,050.55/x
  3. Step 3: Cross multiply
    28,119,229.99x = 42,178,451.32 × 11,080,050.55
  4. Step 4: Simplify right side
    28,119,229.99x = 467,339,372,654,718.12
  5. Step 5: Solve for x
    x = 467,339,372,654,718.12/28,119,229.99
  6. Step 6: Final answer
    x = 16,619,920.70

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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.