Home / 13,457,012.40-20,185,804.62-4,821,675.30

Finding the Fourth Proportional to 13,457,012.40, 20,185,804.62 and 4,821,675.30

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Solution

The fourth proportional to 13,457,012.40, 20,185,804.62 and 4,821,675.30 is: 7,232,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,012.40 : 20,185,804.62 = 4,821,675.30 : x
  2. Step 2: Convert to fraction form
    13,457,012.40/20,185,804.62 = 4,821,675.30/x
  3. Step 3: Cross multiply
    13,457,012.40x = 20,185,804.62 × 4,821,675.30
  4. Step 4: Simplify right side
    13,457,012.40x = 97,329,395,546,879.89
  5. Step 5: Solve for x
    x = 97,329,395,546,879.89/13,457,012.40
  6. Step 6: Final answer
    x = 7,232,615.43

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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.