Finding the Fourth Proportional to 10,466,783.88, 14,442,044.56 and 6,115,029.36
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Solution
The fourth proportional to 10,466,783.88, 14,442,044.56 and 6,115,029.36 is: 8,437,503.58
Step by Step Solution
- Step 1: Write the proportion equation
10,466,783.88 : 14,442,044.56 = 6,115,029.36 : x - Step 2: Convert to fraction form
10,466,783.88/14,442,044.56 = 6,115,029.36/x - Step 3: Cross multiply
10,466,783.88x = 14,442,044.56 × 6,115,029.36 - Step 4: Simplify right side
10,466,783.88x = 88,313,526,502,828.30 - Step 5: Solve for x
x = 88,313,526,502,828.30/10,466,783.88 - Step 6: Final answer
x = 8,437,503.58
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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.