Home / 8,522,277.80-12,783,416.70-2,842,687.40

Finding the Fourth Proportional to 8,522,277.80, 12,783,416.70 and 2,842,687.40

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Solution

The fourth proportional to 8,522,277.80, 12,783,416.70 and 2,842,687.40 is: 4,264,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,277.80 : 12,783,416.70 = 2,842,687.40 : x
  2. Step 2: Convert to fraction form
    8,522,277.80/12,783,416.70 = 2,842,687.40/x
  3. Step 3: Cross multiply
    8,522,277.80x = 12,783,416.70 × 2,842,687.40
  4. Step 4: Simplify right side
    8,522,277.80x = 36,339,257,582,039.58
  5. Step 5: Solve for x
    x = 36,339,257,582,039.58/8,522,277.80
  6. Step 6: Final answer
    x = 4,264,031.10

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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.