Home / 27,431,457.89-41,156,333.75-18,245,643.90

Finding the Fourth Proportional to 27,431,457.89, 41,156,333.75 and 18,245,643.90

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Solution

The fourth proportional to 27,431,457.89, 41,156,333.75 and 18,245,643.90 is: 27,374,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431,457.89 : 41,156,333.75 = 18,245,643.90 : x
  2. Step 2: Convert to fraction form
    27,431,457.89/41,156,333.75 = 18,245,643.90/x
  3. Step 3: Cross multiply
    27,431,457.89x = 41,156,333.75 × 18,245,643.90
  4. Step 4: Simplify right side
    27,431,457.89x = 750,923,809,832,051.62
  5. Step 5: Solve for x
    x = 750,923,809,832,051.62/27,431,457.89
  6. Step 6: Final answer
    x = 27,374,549.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.