Home / 12,585,956.62-18,843,858.18-6,424,684.52

Finding the Fourth Proportional to 12,585,956.62, 18,843,858.18 and 6,424,684.52

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Solution

The fourth proportional to 12,585,956.62, 18,843,858.18 and 6,424,684.52 is: 9,619,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,956.62 : 18,843,858.18 = 6,424,684.52 : x
  2. Step 2: Convert to fraction form
    12,585,956.62/18,843,858.18 = 6,424,684.52/x
  3. Step 3: Cross multiply
    12,585,956.62x = 18,843,858.18 × 6,424,684.52
  4. Step 4: Simplify right side
    12,585,956.62x = 121,065,843,909,416.98
  5. Step 5: Solve for x
    x = 121,065,843,909,416.98/12,585,956.62
  6. Step 6: Final answer
    x = 9,619,121.34

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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.