Home / 13,259,089.35-18,297,359.55-7,457,875.02

Finding the Fourth Proportional to 13,259,089.35, 18,297,359.55 and 7,457,875.02

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Solution

The fourth proportional to 13,259,089.35, 18,297,359.55 and 7,457,875.02 is: 10,291,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,089.35 : 18,297,359.55 = 7,457,875.02 : x
  2. Step 2: Convert to fraction form
    13,259,089.35/18,297,359.55 = 7,457,875.02/x
  3. Step 3: Cross multiply
    13,259,089.35x = 18,297,359.55 × 7,457,875.02
  4. Step 4: Simplify right side
    13,259,089.35x = 136,459,420,719,903.44
  5. Step 5: Solve for x
    x = 136,459,420,719,903.44/13,259,089.35
  6. Step 6: Final answer
    x = 10,291,764.17

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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.