Home / 13,089,726.76-19,628,019.96-7,626,589.96

Finding the Fourth Proportional to 13,089,726.76, 19,628,019.96 and 7,626,589.96

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Solution

The fourth proportional to 13,089,726.76, 19,628,019.96 and 7,626,589.96 is: 11,436,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089,726.76 : 19,628,019.96 = 7,626,589.96 : x
  2. Step 2: Convert to fraction form
    13,089,726.76/19,628,019.96 = 7,626,589.96/x
  3. Step 3: Cross multiply
    13,089,726.76x = 19,628,019.96 × 7,626,589.96
  4. Step 4: Simplify right side
    13,089,726.76x = 149,694,859,961,615.59
  5. Step 5: Solve for x
    x = 149,694,859,961,615.59/13,089,726.76
  6. Step 6: Final answer
    x = 11,436,056.89

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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.