Home / 30,918,912.68-42,684,664.82-23,839,042.93

Finding the Fourth Proportional to 30,918,912.68, 42,684,664.82 and 23,839,042.93

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Solution

The fourth proportional to 30,918,912.68, 42,684,664.82 and 23,839,042.93 is: 32,910,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918,912.68 : 42,684,664.82 = 23,839,042.93 : x
  2. Step 2: Convert to fraction form
    30,918,912.68/42,684,664.82 = 23,839,042.93/x
  3. Step 3: Cross multiply
    30,918,912.68x = 42,684,664.82 × 23,839,042.93
  4. Step 4: Simplify right side
    30,918,912.68x = 1,017,561,556,870,733.75
  5. Step 5: Solve for x
    x = 1,017,561,556,870,733.75/30,918,912.68
  6. Step 6: Final answer
    x = 32,910,651.40

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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.