Home / 28,864,354.66-39,800,890.39-18,393,784.61

Finding the Fourth Proportional to 28,864,354.66, 39,800,890.39 and 18,393,784.61

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Solution

The fourth proportional to 28,864,354.66, 39,800,890.39 and 18,393,784.61 is: 25,363,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864,354.66 : 39,800,890.39 = 18,393,784.61 : x
  2. Step 2: Convert to fraction form
    28,864,354.66/39,800,890.39 = 18,393,784.61/x
  3. Step 3: Cross multiply
    28,864,354.66x = 39,800,890.39 × 18,393,784.61
  4. Step 4: Simplify right side
    28,864,354.66x = 732,089,005,119,878.88
  5. Step 5: Solve for x
    x = 732,089,005,119,878.88/28,864,354.66
  6. Step 6: Final answer
    x = 25,363,082.38

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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.