Home / 39,034,205.43-53,867,522.32-21,630,841.22

Finding the Fourth Proportional to 39,034,205.43, 53,867,522.32 and 21,630,841.22

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Solution

The fourth proportional to 39,034,205.43, 53,867,522.32 and 21,630,841.22 is: 29,850,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034,205.43 : 53,867,522.32 = 21,630,841.22 : x
  2. Step 2: Convert to fraction form
    39,034,205.43/53,867,522.32 = 21,630,841.22/x
  3. Step 3: Cross multiply
    39,034,205.43x = 53,867,522.32 × 21,630,841.22
  4. Step 4: Simplify right side
    39,034,205.43x = 1,165,199,821,895,311.25
  5. Step 5: Solve for x
    x = 1,165,199,821,895,311.25/39,034,205.43
  6. Step 6: Final answer
    x = 29,850,737.55

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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.