Home / 9,178,728.40-13,770,060.90-2,789,626.60

Finding the Fourth Proportional to 9,178,728.40, 13,770,060.90 and 2,789,626.60

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Solution

The fourth proportional to 9,178,728.40, 13,770,060.90 and 2,789,626.60 is: 4,185,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,728.40 : 13,770,060.90 = 2,789,626.60 : x
  2. Step 2: Convert to fraction form
    9,178,728.40/13,770,060.90 = 2,789,626.60/x
  3. Step 3: Cross multiply
    9,178,728.40x = 13,770,060.90 × 2,789,626.60
  4. Step 4: Simplify right side
    9,178,728.40x = 38,413,328,170,259.95
  5. Step 5: Solve for x
    x = 38,413,328,170,259.95/9,178,728.40
  6. Step 6: Final answer
    x = 4,185,038.11

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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.