Home / 14,128,112.80-21,193,724.40-5,154,608.80

Finding the Fourth Proportional to 14,128,112.80, 21,193,724.40 and 5,154,608.80

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Solution

The fourth proportional to 14,128,112.80, 21,193,724.40 and 5,154,608.80 is: 7,732,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,112.80 : 21,193,724.40 = 5,154,608.80 : x
  2. Step 2: Convert to fraction form
    14,128,112.80/21,193,724.40 = 5,154,608.80/x
  3. Step 3: Cross multiply
    14,128,112.80x = 21,193,724.40 × 5,154,608.80
  4. Step 4: Simplify right side
    14,128,112.80x = 109,245,358,297,014.70
  5. Step 5: Solve for x
    x = 109,245,358,297,014.70/14,128,112.80
  6. Step 6: Final answer
    x = 7,732,480.61

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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.