Home / 13,089,449.90-19,586,343.76-7,700,638.16

Finding the Fourth Proportional to 13,089,449.90, 19,586,343.76 and 7,700,638.16

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Solution

The fourth proportional to 13,089,449.90, 19,586,343.76 and 7,700,638.16 is: 11,522,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089,449.90 : 19,586,343.76 = 7,700,638.16 : x
  2. Step 2: Convert to fraction form
    13,089,449.90/19,586,343.76 = 7,700,638.16/x
  3. Step 3: Cross multiply
    13,089,449.90x = 19,586,343.76 × 7,700,638.16
  4. Step 4: Simplify right side
    13,089,449.90x = 150,827,346,135,991.06
  5. Step 5: Solve for x
    x = 150,827,346,135,991.06/13,089,449.90
  6. Step 6: Final answer
    x = 11,522,817.79

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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.