Finding the Fourth Proportional to 17,845,929.09, 26,768,986.01 and 8,123,742.98
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Solution
The fourth proportional to 17,845,929.09, 26,768,986.01 and 8,123,742.98 is: 12,185,656.51
Step by Step Solution
- Step 1: Write the proportion equation
17,845,929.09 : 26,768,986.01 = 8,123,742.98 : x - Step 2: Convert to fraction form
17,845,929.09/26,768,986.01 = 8,123,742.98/x - Step 3: Cross multiply
17,845,929.09x = 26,768,986.01 × 8,123,742.98 - Step 4: Simplify right side
17,845,929.09x = 217,464,362,005,992.03 - Step 5: Solve for x
x = 217,464,362,005,992.03/17,845,929.09 - Step 6: Final answer
x = 12,185,656.51
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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.