Home / 6,908,639.21-10,341,393.45-5,089,055.21

Finding the Fourth Proportional to 6,908,639.21, 10,341,393.45 and 5,089,055.21

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Solution

The fourth proportional to 6,908,639.21, 10,341,393.45 and 5,089,055.21 is: 7,617,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,639.21 : 10,341,393.45 = 5,089,055.21 : x
  2. Step 2: Convert to fraction form
    6,908,639.21/10,341,393.45 = 5,089,055.21/x
  3. Step 3: Cross multiply
    6,908,639.21x = 10,341,393.45 × 5,089,055.21
  4. Step 4: Simplify right side
    6,908,639.21x = 52,627,922,215,382.37
  5. Step 5: Solve for x
    x = 52,627,922,215,382.37/6,908,639.21
  6. Step 6: Final answer
    x = 7,617,697.29

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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.