Home / 7,739,919.81-10,681,096.20-4,255,317.90

Finding the Fourth Proportional to 7,739,919.81, 10,681,096.20 and 4,255,317.90

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Solution

The fourth proportional to 7,739,919.81, 10,681,096.20 and 4,255,317.90 is: 5,872,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,919.81 : 10,681,096.20 = 4,255,317.90 : x
  2. Step 2: Convert to fraction form
    7,739,919.81/10,681,096.20 = 4,255,317.90/x
  3. Step 3: Cross multiply
    7,739,919.81x = 10,681,096.20 × 4,255,317.90
  4. Step 4: Simplify right side
    7,739,919.81x = 45,451,459,851,481.98
  5. Step 5: Solve for x
    x = 45,451,459,851,481.98/7,739,919.81
  6. Step 6: Final answer
    x = 5,872,342.47

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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.