Finding the Fourth Proportional to 16,391,801.18, 22,599,656.79 and 13,440,745.82
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Solution
The fourth proportional to 16,391,801.18, 22,599,656.79 and 13,440,745.82 is: 18,530,986.27
Step by Step Solution
- Step 1: Write the proportion equation
16,391,801.18 : 22,599,656.79 = 13,440,745.82 : x - Step 2: Convert to fraction form
16,391,801.18/22,599,656.79 = 13,440,745.82/x - Step 3: Cross multiply
16,391,801.18x = 22,599,656.79 × 13,440,745.82 - Step 4: Simplify right side
16,391,801.18x = 303,756,242,533,627.12 - Step 5: Solve for x
x = 303,756,242,533,627.12/16,391,801.18 - Step 6: Final answer
x = 18,530,986.27
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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.