Home / 12,783,375.60-19,175,063.40-11,066,434.80

Finding the Fourth Proportional to 12,783,375.60, 19,175,063.40 and 11,066,434.80

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Solution

The fourth proportional to 12,783,375.60, 19,175,063.40 and 11,066,434.80 is: 16,599,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,375.60 : 19,175,063.40 = 11,066,434.80 : x
  2. Step 2: Convert to fraction form
    12,783,375.60/19,175,063.40 = 11,066,434.80/x
  3. Step 3: Cross multiply
    12,783,375.60x = 19,175,063.40 × 11,066,434.80
  4. Step 4: Simplify right side
    12,783,375.60x = 212,199,588,901,966.31
  5. Step 5: Solve for x
    x = 212,199,588,901,966.31/12,783,375.60
  6. Step 6: Final answer
    x = 16,599,652.20

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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.