Home / 8,210,583.40-12,297,212.70-4,216,829.80

Finding the Fourth Proportional to 8,210,583.40, 12,297,212.70 and 4,216,829.80

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Solution

The fourth proportional to 8,210,583.40, 12,297,212.70 and 4,216,829.80 is: 6,315,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,583.40 : 12,297,212.70 = 4,216,829.80 : x
  2. Step 2: Convert to fraction form
    8,210,583.40/12,297,212.70 = 4,216,829.80/x
  3. Step 3: Cross multiply
    8,210,583.40x = 12,297,212.70 × 4,216,829.80
  4. Step 4: Simplify right side
    8,210,583.40x = 51,855,252,970,298.45
  5. Step 5: Solve for x
    x = 51,855,252,970,298.45/8,210,583.40
  6. Step 6: Final answer
    x = 6,315,659.98

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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.