Home / 45,170,034.49-67,754,915.65-12,821,964.40

Finding the Fourth Proportional to 45,170,034.49, 67,754,915.65 and 12,821,964.40

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Solution

The fourth proportional to 45,170,034.49, 67,754,915.65 and 12,821,964.40 is: 19,232,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170,034.49 : 67,754,915.65 = 12,821,964.40 : x
  2. Step 2: Convert to fraction form
    45,170,034.49/67,754,915.65 = 12,821,964.40/x
  3. Step 3: Cross multiply
    45,170,034.49x = 67,754,915.65 × 12,821,964.40
  4. Step 4: Simplify right side
    45,170,034.49x = 868,751,116,317,512
  5. Step 5: Solve for x
    x = 868,751,116,317,512/45,170,034.49
  6. Step 6: Final answer
    x = 19,232,907.97

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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.