Home / 12,291,477.40-16,962,241.80-6,784,855.30

Finding the Fourth Proportional to 12,291,477.40, 16,962,241.80 and 6,784,855.30

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Solution

The fourth proportional to 12,291,477.40, 16,962,241.80 and 6,784,855.30 is: 9,363,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,477.40 : 16,962,241.80 = 6,784,855.30 : x
  2. Step 2: Convert to fraction form
    12,291,477.40/16,962,241.80 = 6,784,855.30/x
  3. Step 3: Cross multiply
    12,291,477.40x = 16,962,241.80 × 6,784,855.30
  4. Step 4: Simplify right side
    12,291,477.40x = 115,086,356,176,611.55
  5. Step 5: Solve for x
    x = 115,086,356,176,611.55/12,291,477.40
  6. Step 6: Final answer
    x = 9,363,101.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.