Home / 7,121,828.66-10,682,756.35-1,730,483.64

Finding the Fourth Proportional to 7,121,828.66, 10,682,756.35 and 1,730,483.64

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Solution

The fourth proportional to 7,121,828.66, 10,682,756.35 and 1,730,483.64 is: 2,595,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,828.66 : 10,682,756.35 = 1,730,483.64 : x
  2. Step 2: Convert to fraction form
    7,121,828.66/10,682,756.35 = 1,730,483.64/x
  3. Step 3: Cross multiply
    7,121,828.66x = 10,682,756.35 × 1,730,483.64
  4. Step 4: Simplify right side
    7,121,828.66x = 18,486,335,089,454.90
  5. Step 5: Solve for x
    x = 18,486,335,089,454.90/7,121,828.66
  6. Step 6: Final answer
    x = 2,595,728.71

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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.