Home / 8,522,281.80-12,783,422.70-2,842,691.40

Finding the Fourth Proportional to 8,522,281.80, 12,783,422.70 and 2,842,691.40

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Solution

The fourth proportional to 8,522,281.80, 12,783,422.70 and 2,842,691.40 is: 4,264,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,281.80 : 12,783,422.70 = 2,842,691.40 : x
  2. Step 2: Convert to fraction form
    8,522,281.80/12,783,422.70 = 2,842,691.40/x
  3. Step 3: Cross multiply
    8,522,281.80x = 12,783,422.70 × 2,842,691.40
  4. Step 4: Simplify right side
    8,522,281.80x = 36,339,325,771,854.77
  5. Step 5: Solve for x
    x = 36,339,325,771,854.77/8,522,281.80
  6. Step 6: Final answer
    x = 4,264,037.10

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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.