Home / 7,974,859.40-11,962,289.10-4,789,809.80

Finding the Fourth Proportional to 7,974,859.40, 11,962,289.10 and 4,789,809.80

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Solution

The fourth proportional to 7,974,859.40, 11,962,289.10 and 4,789,809.80 is: 7,184,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,859.40 : 11,962,289.10 = 4,789,809.80 : x
  2. Step 2: Convert to fraction form
    7,974,859.40/11,962,289.10 = 4,789,809.80/x
  3. Step 3: Cross multiply
    7,974,859.40x = 11,962,289.10 × 4,789,809.80
  4. Step 4: Simplify right side
    7,974,859.40x = 57,297,089,561,613.18
  5. Step 5: Solve for x
    x = 57,297,089,561,613.18/7,974,859.40
  6. Step 6: Final answer
    x = 7,184,714.70

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Similar ratio
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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.