Home / 11,745,197.40-17,616,921.30-4,920,007.80

Finding the Fourth Proportional to 11,745,197.40, 17,616,921.30 and 4,920,007.80

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Solution

The fourth proportional to 11,745,197.40, 17,616,921.30 and 4,920,007.80 is: 7,379,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745,197.40 : 17,616,921.30 = 4,920,007.80 : x
  2. Step 2: Convert to fraction form
    11,745,197.40/17,616,921.30 = 4,920,007.80/x
  3. Step 3: Cross multiply
    11,745,197.40x = 17,616,921.30 × 4,920,007.80
  4. Step 4: Simplify right side
    11,745,197.40x = 86,675,390,207,986.14
  5. Step 5: Solve for x
    x = 86,675,390,207,986.14/11,745,197.40
  6. Step 6: Final answer
    x = 7,379,645.25

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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.