Home / 30,409,429.96-41,968,023.42-17,358,651.64

Finding the Fourth Proportional to 30,409,429.96, 41,968,023.42 and 17,358,651.64

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Solution

The fourth proportional to 30,409,429.96, 41,968,023.42 and 17,358,651.64 is: 23,956,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409,429.96 : 41,968,023.42 = 17,358,651.64 : x
  2. Step 2: Convert to fraction form
    30,409,429.96/41,968,023.42 = 17,358,651.64/x
  3. Step 3: Cross multiply
    30,409,429.96x = 41,968,023.42 × 17,358,651.64
  4. Step 4: Simplify right side
    30,409,429.96x = 728,508,298,567,141.50
  5. Step 5: Solve for x
    x = 728,508,298,567,141.50/30,409,429.96
  6. Step 6: Final answer
    x = 23,956,657.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.