Home / 8,392,522.88-12,588,784.32-2,712,747.20

Finding the Fourth Proportional to 8,392,522.88, 12,588,784.32 and 2,712,747.20

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Solution

The fourth proportional to 8,392,522.88, 12,588,784.32 and 2,712,747.20 is: 4,069,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,522.88 : 12,588,784.32 = 2,712,747.20 : x
  2. Step 2: Convert to fraction form
    8,392,522.88/12,588,784.32 = 2,712,747.20/x
  3. Step 3: Cross multiply
    8,392,522.88x = 12,588,784.32 × 2,712,747.20
  4. Step 4: Simplify right side
    8,392,522.88x = 34,150,189,352,539.98
  5. Step 5: Solve for x
    x = 34,150,189,352,539.98/8,392,522.88
  6. Step 6: Final answer
    x = 4,069,120.79

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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.