Home / 13,259,081.35-18,297,348.55-7,457,867.02

Finding the Fourth Proportional to 13,259,081.35, 18,297,348.55 and 7,457,867.02

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Solution

The fourth proportional to 13,259,081.35, 18,297,348.55 and 7,457,867.02 is: 10,291,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,081.35 : 18,297,348.55 = 7,457,867.02 : x
  2. Step 2: Convert to fraction form
    13,259,081.35/18,297,348.55 = 7,457,867.02/x
  3. Step 3: Cross multiply
    13,259,081.35x = 18,297,348.55 × 7,457,867.02
  4. Step 4: Simplify right side
    13,259,081.35x = 136,459,192,304,489.81
  5. Step 5: Solve for x
    x = 136,459,192,304,489.81/13,259,081.35
  6. Step 6: Final answer
    x = 10,291,753.15

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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.