Home / 13,081,767.35-18,052,839.18-7,281,919.22

Finding the Fourth Proportional to 13,081,767.35, 18,052,839.18 and 7,281,919.22

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Solution

The fourth proportional to 13,081,767.35, 18,052,839.18 and 7,281,919.22 is: 10,049,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,767.35 : 18,052,839.18 = 7,281,919.22 : x
  2. Step 2: Convert to fraction form
    13,081,767.35/18,052,839.18 = 7,281,919.22/x
  3. Step 3: Cross multiply
    13,081,767.35x = 18,052,839.18 × 7,281,919.22
  4. Step 4: Simplify right side
    13,081,767.35x = 131,459,316,600,411.03
  5. Step 5: Solve for x
    x = 131,459,316,600,411.03/13,081,767.35
  6. Step 6: Final answer
    x = 10,049,048.66

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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.