Finding the Fourth Proportional to 11,178,058.95, 15,427,354.91 and 6,283,684.17
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Solution
The fourth proportional to 11,178,058.95, 15,427,354.91 and 6,283,684.17 is: 8,672,402.45
Step by Step Solution
- Step 1: Write the proportion equation
11,178,058.95 : 15,427,354.91 = 6,283,684.17 : x - Step 2: Convert to fraction form
11,178,058.95/15,427,354.91 = 6,283,684.17/x - Step 3: Cross multiply
11,178,058.95x = 15,427,354.91 × 6,283,684.17 - Step 4: Simplify right side
11,178,058.95x = 96,940,625,801,520.34 - Step 5: Solve for x
x = 96,940,625,801,520.34/11,178,058.95 - Step 6: Final answer
x = 8,672,402.45
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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.