Finding the Fourth Proportional to 19,960,202.58, 27,538,313.85 and 16,282,762.08
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Solution
The fourth proportional to 19,960,202.58, 27,538,313.85 and 16,282,762.08 is: 22,464,692.47
Step by Step Solution
- Step 1: Write the proportion equation
19,960,202.58 : 27,538,313.85 = 16,282,762.08 : x - Step 2: Convert to fraction form
19,960,202.58/27,538,313.85 = 16,282,762.08/x - Step 3: Cross multiply
19,960,202.58x = 27,538,313.85 × 16,282,762.08 - Step 4: Simplify right side
19,960,202.58x = 448,399,812,496,133.44 - Step 5: Solve for x
x = 448,399,812,496,133.44/19,960,202.58 - Step 6: Final answer
x = 22,464,692.47
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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.