Home / 15,550,429.69-21,463,861.25-9,026,161.06

Finding the Fourth Proportional to 15,550,429.69, 21,463,861.25 and 9,026,161.06

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Solution

The fourth proportional to 15,550,429.69, 21,463,861.25 and 9,026,161.06 is: 12,458,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,429.69 : 21,463,861.25 = 9,026,161.06 : x
  2. Step 2: Convert to fraction form
    15,550,429.69/21,463,861.25 = 9,026,161.06/x
  3. Step 3: Cross multiply
    15,550,429.69x = 21,463,861.25 × 9,026,161.06
  4. Step 4: Simplify right side
    15,550,429.69x = 193,736,268,611,992.94
  5. Step 5: Solve for x
    x = 193,736,268,611,992.94/15,550,429.69
  6. Step 6: Final answer
    x = 12,458,579.76

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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.