Home / 13,259,100.36-18,297,374.72-7,457,886.02

Finding the Fourth Proportional to 13,259,100.36, 18,297,374.72 and 7,457,886.02

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Solution

The fourth proportional to 13,259,100.36, 18,297,374.72 and 7,457,886.02 is: 10,291,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,100.36 : 18,297,374.72 = 7,457,886.02 : x
  2. Step 2: Convert to fraction form
    13,259,100.36/18,297,374.72 = 7,457,886.02/x
  3. Step 3: Cross multiply
    13,259,100.36x = 18,297,374.72 × 7,457,886.02
  4. Step 4: Simplify right side
    13,259,100.36x = 136,459,735,126,989.39
  5. Step 5: Solve for x
    x = 136,459,735,126,989.39/13,259,100.36
  6. Step 6: Final answer
    x = 10,291,779.34

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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.