Finding the Fourth Proportional to 12,769,408.99, 17,622,156.58 and 6,968,564.39
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Solution
The fourth proportional to 12,769,408.99, 17,622,156.58 and 6,968,564.39 is: 9,616,821.96
Step by Step Solution
- Step 1: Write the proportion equation
12,769,408.99 : 17,622,156.58 = 6,968,564.39 : x - Step 2: Convert to fraction form
12,769,408.99/17,622,156.58 = 6,968,564.39/x - Step 3: Cross multiply
12,769,408.99x = 17,622,156.58 × 6,968,564.39 - Step 4: Simplify right side
12,769,408.99x = 122,801,132,845,026.17 - Step 5: Solve for x
x = 122,801,132,845,026.17/12,769,408.99 - Step 6: Final answer
x = 9,616,821.96
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1.5x scale
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.