Home / 18,724,994.67-28,079,516.57-7,357,469.43

Finding the Fourth Proportional to 18,724,994.67, 28,079,516.57 and 7,357,469.43

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Solution

The fourth proportional to 18,724,994.67, 28,079,516.57 and 7,357,469.43 is: 11,033,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,994.67 : 28,079,516.57 = 7,357,469.43 : x
  2. Step 2: Convert to fraction form
    18,724,994.67/28,079,516.57 = 7,357,469.43/x
  3. Step 3: Cross multiply
    18,724,994.67x = 28,079,516.57 × 7,357,469.43
  4. Step 4: Simplify right side
    18,724,994.67x = 206,594,184,736,166.12
  5. Step 5: Solve for x
    x = 206,594,184,736,166.12/18,724,994.67
  6. Step 6: Final answer
    x = 11,033,070.42

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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.