Home / 13,259,090.35-18,297,360.93-7,457,876.02

Finding the Fourth Proportional to 13,259,090.35, 18,297,360.93 and 7,457,876.02

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Solution

The fourth proportional to 13,259,090.35, 18,297,360.93 and 7,457,876.02 is: 10,291,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,090.35 : 18,297,360.93 = 7,457,876.02 : x
  2. Step 2: Convert to fraction form
    13,259,090.35/18,297,360.93 = 7,457,876.02/x
  3. Step 3: Cross multiply
    13,259,090.35x = 18,297,360.93 × 7,457,876.02
  4. Step 4: Simplify right side
    13,259,090.35x = 136,459,449,309,131.89
  5. Step 5: Solve for x
    x = 136,459,449,309,131.89/13,259,090.35
  6. Step 6: Final answer
    x = 10,291,765.55

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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.