Home / 7,370,009.78-11,055,014.67-2,879,136.50

Finding the Fourth Proportional to 7,370,009.78, 11,055,014.67 and 2,879,136.50

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Solution

The fourth proportional to 7,370,009.78, 11,055,014.67 and 2,879,136.50 is: 4,318,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370,009.78 : 11,055,014.67 = 2,879,136.50 : x
  2. Step 2: Convert to fraction form
    7,370,009.78/11,055,014.67 = 2,879,136.50/x
  3. Step 3: Cross multiply
    7,370,009.78x = 11,055,014.67 × 2,879,136.50
  4. Step 4: Simplify right side
    7,370,009.78x = 31,828,896,244,432.45
  5. Step 5: Solve for x
    x = 31,828,896,244,432.45/7,370,009.78
  6. Step 6: Final answer
    x = 4,318,704.75

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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.