Home / 13,456,971.40-20,185,743.04-4,821,634.30

Finding the Fourth Proportional to 13,456,971.40, 20,185,743.04 and 4,821,634.30

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Solution

The fourth proportional to 13,456,971.40, 20,185,743.04 and 4,821,634.30 is: 7,232,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,971.40 : 20,185,743.04 = 4,821,634.30 : x
  2. Step 2: Convert to fraction form
    13,456,971.40/20,185,743.04 = 4,821,634.30/x
  3. Step 3: Cross multiply
    13,456,971.40x = 20,185,743.04 × 4,821,634.30
  4. Step 4: Simplify right side
    13,456,971.40x = 97,328,271,012,650.27
  5. Step 5: Solve for x
    x = 97,328,271,012,650.27/13,456,971.40
  6. Step 6: Final answer
    x = 7,232,553.90

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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.