Home / 12,446,969.79-18,659,805.44-4,776,119.45

Finding the Fourth Proportional to 12,446,969.79, 18,659,805.44 and 4,776,119.45

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Solution

The fourth proportional to 12,446,969.79, 18,659,805.44 and 4,776,119.45 is: 7,160,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,969.79 : 18,659,805.44 = 4,776,119.45 : x
  2. Step 2: Convert to fraction form
    12,446,969.79/18,659,805.44 = 4,776,119.45/x
  3. Step 3: Cross multiply
    12,446,969.79x = 18,659,805.44 × 4,776,119.45
  4. Step 4: Simplify right side
    12,446,969.79x = 89,121,459,578,020.19
  5. Step 5: Solve for x
    x = 89,121,459,578,020.19/12,446,969.79
  6. Step 6: Final answer
    x = 7,160,092.86

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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.