Finding the Fourth Proportional to 19,618,902.34, 27,058,747.41 and 12,745,598.98
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Solution
The fourth proportional to 19,618,902.34, 27,058,747.41 and 12,745,598.98 is: 17,578,962.24
Step by Step Solution
- Step 1: Write the proportion equation
19,618,902.34 : 27,058,747.41 = 12,745,598.98 : x - Step 2: Convert to fraction form
19,618,902.34/27,058,747.41 = 12,745,598.98/x - Step 3: Cross multiply
19,618,902.34x = 27,058,747.41 × 12,745,598.98 - Step 4: Simplify right side
19,618,902.34x = 344,879,943,388,973.62 - Step 5: Solve for x
x = 344,879,943,388,973.62/19,618,902.34 - Step 6: Final answer
x = 17,578,962.24
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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.