Home / 13,259,764.60-18,297,485.95-7,457,425.33

Finding the Fourth Proportional to 13,259,764.60, 18,297,485.95 and 7,457,425.33

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Solution

The fourth proportional to 13,259,764.60, 18,297,485.95 and 7,457,425.33 is: 10,290,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,764.60 : 18,297,485.95 = 7,457,425.33 : x
  2. Step 2: Convert to fraction form
    13,259,764.60/18,297,485.95 = 7,457,425.33/x
  3. Step 3: Cross multiply
    13,259,764.60x = 18,297,485.95 × 7,457,425.33
  4. Step 4: Simplify right side
    13,259,764.60x = 136,452,135,193,244.89
  5. Step 5: Solve for x
    x = 136,452,135,193,244.89/13,259,764.60
  6. Step 6: Final answer
    x = 10,290,690.62

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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.