Finding the Fourth Proportional to 7,875,773.44, 10,869,443.84 and 4,975,024.48
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Solution
The fourth proportional to 7,875,773.44, 10,869,443.84 and 4,975,024.48 is: 6,866,087.45
Step by Step Solution
- Step 1: Write the proportion equation
7,875,773.44 : 10,869,443.84 = 4,975,024.48 : x - Step 2: Convert to fraction form
7,875,773.44/10,869,443.84 = 4,975,024.48/x - Step 3: Cross multiply
7,875,773.44x = 10,869,443.84 × 4,975,024.48 - Step 4: Simplify right side
7,875,773.44x = 54,075,749,187,985.21 - Step 5: Solve for x
x = 54,075,749,187,985.21/7,875,773.44 - Step 6: Final answer
x = 6,866,087.45
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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.