Home / 8,303,624.40-12,455,436.60-6,980,926.80

Finding the Fourth Proportional to 8,303,624.40, 12,455,436.60 and 6,980,926.80

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Solution

The fourth proportional to 8,303,624.40, 12,455,436.60 and 6,980,926.80 is: 10,471,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,624.40 : 12,455,436.60 = 6,980,926.80 : x
  2. Step 2: Convert to fraction form
    8,303,624.40/12,455,436.60 = 6,980,926.80/x
  3. Step 3: Cross multiply
    8,303,624.40x = 12,455,436.60 × 6,980,926.80
  4. Step 4: Simplify right side
    8,303,624.40x = 86,950,491,166,640.88
  5. Step 5: Solve for x
    x = 86,950,491,166,640.88/8,303,624.40
  6. Step 6: Final answer
    x = 10,471,390.20

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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.