Home / 9,178,825.90-13,778,845.80-4,927,297.90

Finding the Fourth Proportional to 9,178,825.90, 13,778,845.80 and 4,927,297.90

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Solution

The fourth proportional to 9,178,825.90, 13,778,845.80 and 4,927,297.90 is: 7,396,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,825.90 : 13,778,845.80 = 4,927,297.90 : x
  2. Step 2: Convert to fraction form
    9,178,825.90/13,778,845.80 = 4,927,297.90/x
  3. Step 3: Cross multiply
    9,178,825.90x = 13,778,845.80 × 4,927,297.90
  4. Step 4: Simplify right side
    9,178,825.90x = 67,892,477,974,763.83
  5. Step 5: Solve for x
    x = 67,892,477,974,763.83/9,178,825.90
  6. Step 6: Final answer
    x = 7,396,640.78

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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.