Home / 17,763,559.40-26,609,909.70-12,378,290.60

Finding the Fourth Proportional to 17,763,559.40, 26,609,909.70 and 12,378,290.60

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Solution

The fourth proportional to 17,763,559.40, 26,609,909.70 and 12,378,290.60 is: 18,542,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763,559.40 : 26,609,909.70 = 12,378,290.60 : x
  2. Step 2: Convert to fraction form
    17,763,559.40/26,609,909.70 = 12,378,290.60/x
  3. Step 3: Cross multiply
    17,763,559.40x = 26,609,909.70 × 12,378,290.60
  4. Step 4: Simplify right side
    17,763,559.40x = 329,385,195,106,358.81
  5. Step 5: Solve for x
    x = 329,385,195,106,358.81/17,763,559.40
  6. Step 6: Final answer
    x = 18,542,747.41

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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.