Home / 12,609,724.04-18,917,242.86-4,089,396.14

Finding the Fourth Proportional to 12,609,724.04, 18,917,242.86 and 4,089,396.14

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Solution

The fourth proportional to 12,609,724.04, 18,917,242.86 and 4,089,396.14 is: 6,134,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609,724.04 : 18,917,242.86 = 4,089,396.14 : x
  2. Step 2: Convert to fraction form
    12,609,724.04/18,917,242.86 = 4,089,396.14/x
  3. Step 3: Cross multiply
    12,609,724.04x = 18,917,242.86 × 4,089,396.14
  4. Step 4: Simplify right side
    12,609,724.04x = 77,360,099,931,126.56
  5. Step 5: Solve for x
    x = 77,360,099,931,126.56/12,609,724.04
  6. Step 6: Final answer
    x = 6,134,955.82

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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.