Home / 18,946,817.96-28,408,007.76-7,433,448.81

Finding the Fourth Proportional to 18,946,817.96, 28,408,007.76 and 7,433,448.81

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Solution

The fourth proportional to 18,946,817.96, 28,408,007.76 and 7,433,448.81 is: 11,145,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946,817.96 : 28,408,007.76 = 7,433,448.81 : x
  2. Step 2: Convert to fraction form
    18,946,817.96/28,408,007.76 = 7,433,448.81/x
  3. Step 3: Cross multiply
    18,946,817.96x = 28,408,007.76 × 7,433,448.81
  4. Step 4: Simplify right side
    18,946,817.96x = 211,169,471,478,042.78
  5. Step 5: Solve for x
    x = 211,169,471,478,042.78/18,946,817.96
  6. Step 6: Final answer
    x = 11,145,379.24

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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.