Home / 13,279,585.44-18,325,869.28-7,698,919.70

Finding the Fourth Proportional to 13,279,585.44, 18,325,869.28 and 7,698,919.70

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Solution

The fourth proportional to 13,279,585.44, 18,325,869.28 and 7,698,919.70 is: 10,624,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279,585.44 : 18,325,869.28 = 7,698,919.70 : x
  2. Step 2: Convert to fraction form
    13,279,585.44/18,325,869.28 = 7,698,919.70/x
  3. Step 3: Cross multiply
    13,279,585.44x = 18,325,869.28 × 7,698,919.70
  4. Step 4: Simplify right side
    13,279,585.44x = 141,089,396,019,416.84
  5. Step 5: Solve for x
    x = 141,089,396,019,416.84/13,279,585.44
  6. Step 6: Final answer
    x = 10,624,533.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.