Home / 8,969,442.90-13,458,363.39-3,920,097.30

Finding the Fourth Proportional to 8,969,442.90, 13,458,363.39 and 3,920,097.30

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Solution

The fourth proportional to 8,969,442.90, 13,458,363.39 and 3,920,097.30 is: 5,881,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,442.90 : 13,458,363.39 = 3,920,097.30 : x
  2. Step 2: Convert to fraction form
    8,969,442.90/13,458,363.39 = 3,920,097.30/x
  3. Step 3: Cross multiply
    8,969,442.90x = 13,458,363.39 × 3,920,097.30
  4. Step 4: Simplify right side
    8,969,442.90x = 52,758,093,987,557.84
  5. Step 5: Solve for x
    x = 52,758,093,987,557.84/8,969,442.90
  6. Step 6: Final answer
    x = 5,881,981.14

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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.