Home / 12,476,664.10-18,683,503.35-8,193,643.30

Finding the Fourth Proportional to 12,476,664.10, 18,683,503.35 and 8,193,643.30

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Solution

The fourth proportional to 12,476,664.10, 18,683,503.35 and 8,193,643.30 is: 12,269,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,664.10 : 18,683,503.35 = 8,193,643.30 : x
  2. Step 2: Convert to fraction form
    12,476,664.10/18,683,503.35 = 8,193,643.30/x
  3. Step 3: Cross multiply
    12,476,664.10x = 18,683,503.35 × 8,193,643.30
  4. Step 4: Simplify right side
    12,476,664.10x = 153,085,962,044,255.06
  5. Step 5: Solve for x
    x = 153,085,962,044,255.06/12,476,664.10
  6. Step 6: Final answer
    x = 12,269,783.08

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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.