Home / 7,279,610.40-10,919,415.60-5,599,994.40

Finding the Fourth Proportional to 7,279,610.40, 10,919,415.60 and 5,599,994.40

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Solution

The fourth proportional to 7,279,610.40, 10,919,415.60 and 5,599,994.40 is: 8,399,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,610.40 : 10,919,415.60 = 5,599,994.40 : x
  2. Step 2: Convert to fraction form
    7,279,610.40/10,919,415.60 = 5,599,994.40/x
  3. Step 3: Cross multiply
    7,279,610.40x = 10,919,415.60 × 5,599,994.40
  4. Step 4: Simplify right side
    7,279,610.40x = 61,148,666,211,272.64
  5. Step 5: Solve for x
    x = 61,148,666,211,272.64/7,279,610.40
  6. Step 6: Final answer
    x = 8,399,991.60

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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.