Home / 12,603,182.40-18,927,583.20-11,035,540.80

Finding the Fourth Proportional to 12,603,182.40, 18,927,583.20 and 11,035,540.80

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Solution

The fourth proportional to 12,603,182.40, 18,927,583.20 and 11,035,540.80 is: 16,573,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,182.40 : 18,927,583.20 = 11,035,540.80 : x
  2. Step 2: Convert to fraction form
    12,603,182.40/18,927,583.20 = 11,035,540.80/x
  3. Step 3: Cross multiply
    12,603,182.40x = 18,927,583.20 × 11,035,540.80
  4. Step 4: Simplify right side
    12,603,182.40x = 208,876,116,648,994.56
  5. Step 5: Solve for x
    x = 208,876,116,648,994.56/12,603,182.40
  6. Step 6: Final answer
    x = 16,573,283.64

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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.