Home / 8,066,522.80-12,099,784.20-7,320,026.80

Finding the Fourth Proportional to 8,066,522.80, 12,099,784.20 and 7,320,026.80

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Solution

The fourth proportional to 8,066,522.80, 12,099,784.20 and 7,320,026.80 is: 10,980,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,522.80 : 12,099,784.20 = 7,320,026.80 : x
  2. Step 2: Convert to fraction form
    8,066,522.80/12,099,784.20 = 7,320,026.80/x
  3. Step 3: Cross multiply
    8,066,522.80x = 12,099,784.20 × 7,320,026.80
  4. Step 4: Simplify right side
    8,066,522.80x = 88,570,744,618,216.55
  5. Step 5: Solve for x
    x = 88,570,744,618,216.55/8,066,522.80
  6. Step 6: Final answer
    x = 10,980,040.20

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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.