Home / 7,152,026.80-10,728,040.20-2,103,847.60

Finding the Fourth Proportional to 7,152,026.80, 10,728,040.20 and 2,103,847.60

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Solution

The fourth proportional to 7,152,026.80, 10,728,040.20 and 2,103,847.60 is: 3,155,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,026.80 : 10,728,040.20 = 2,103,847.60 : x
  2. Step 2: Convert to fraction form
    7,152,026.80/10,728,040.20 = 2,103,847.60/x
  3. Step 3: Cross multiply
    7,152,026.80x = 10,728,040.20 × 2,103,847.60
  4. Step 4: Simplify right side
    7,152,026.80x = 22,570,161,627,473.52
  5. Step 5: Solve for x
    x = 22,570,161,627,473.52/7,152,026.80
  6. Step 6: Final answer
    x = 3,155,771.40

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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.