Finding the Fourth Proportional to 7,563,762.88, 10,437,980.11 and 4,126,003.91
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Solution
The fourth proportional to 7,563,762.88, 10,437,980.11 and 4,126,003.91 is: 5,693,878.49
Step by Step Solution
- Step 1: Write the proportion equation
7,563,762.88 : 10,437,980.11 = 4,126,003.91 : x - Step 2: Convert to fraction form
7,563,762.88/10,437,980.11 = 4,126,003.91/x - Step 3: Cross multiply
7,563,762.88x = 10,437,980.11 × 4,126,003.91 - Step 4: Simplify right side
7,563,762.88x = 43,067,146,746,362.23 - Step 5: Solve for x
x = 43,067,146,746,362.23/7,563,762.88 - Step 6: Final answer
x = 5,693,878.49
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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.