Finding the Fourth Proportional to 19,618,901.34, 27,058,746.03 and 12,745,597.98
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Solution
The fourth proportional to 19,618,901.34, 27,058,746.03 and 12,745,597.98 is: 17,578,960.86
Step by Step Solution
- Step 1: Write the proportion equation
19,618,901.34 : 27,058,746.03 = 12,745,597.98 : x - Step 2: Convert to fraction form
19,618,901.34/27,058,746.03 = 12,745,597.98/x - Step 3: Cross multiply
19,618,901.34x = 27,058,746.03 × 12,745,597.98 - Step 4: Simplify right side
19,618,901.34x = 344,879,898,741,301.06 - Step 5: Solve for x
x = 344,879,898,741,301.06/19,618,901.34 - Step 6: Final answer
x = 17,578,960.86
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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.