Home / 30,918,915.20-42,684,668.26-23,839,045.42

Finding the Fourth Proportional to 30,918,915.20, 42,684,668.26 and 23,839,045.42

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Solution

The fourth proportional to 30,918,915.20, 42,684,668.26 and 23,839,045.42 is: 32,910,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918,915.20 : 42,684,668.26 = 23,839,045.42 : x
  2. Step 2: Convert to fraction form
    30,918,915.20/42,684,668.26 = 23,839,045.42/x
  3. Step 3: Cross multiply
    30,918,915.20x = 42,684,668.26 × 23,839,045.42
  4. Step 4: Simplify right side
    30,918,915.20x = 1,017,561,745,374,698.38
  5. Step 5: Solve for x
    x = 1,017,561,745,374,698.38/30,918,915.20
  6. Step 6: Final answer
    x = 32,910,654.82

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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.