Home / 8,897,927.20-13,346,890.80-7,778,183.20

Finding the Fourth Proportional to 8,897,927.20, 13,346,890.80 and 7,778,183.20

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Solution

The fourth proportional to 8,897,927.20, 13,346,890.80 and 7,778,183.20 is: 11,667,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897,927.20 : 13,346,890.80 = 7,778,183.20 : x
  2. Step 2: Convert to fraction form
    8,897,927.20/13,346,890.80 = 7,778,183.20/x
  3. Step 3: Cross multiply
    8,897,927.20x = 13,346,890.80 × 7,778,183.20
  4. Step 4: Simplify right side
    8,897,927.20x = 103,814,561,792,794.56
  5. Step 5: Solve for x
    x = 103,814,561,792,794.56/8,897,927.20
  6. Step 6: Final answer
    x = 11,667,274.80

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Double scale
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Similar ratio
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1.5x scale

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.