Finding the Fourth Proportional to 19,058,554.08, 28,593,167.40 and 7,706,974.32
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Solution
The fourth proportional to 19,058,554.08, 28,593,167.40 and 7,706,974.32 is: 11,562,619.39
Step by Step Solution
- Step 1: Write the proportion equation
19,058,554.08 : 28,593,167.40 = 7,706,974.32 : x - Step 2: Convert to fraction form
19,058,554.08/28,593,167.40 = 7,706,974.32/x - Step 3: Cross multiply
19,058,554.08x = 28,593,167.40 × 7,706,974.32 - Step 4: Simplify right side
19,058,554.08x = 220,366,806,879,261.16 - Step 5: Solve for x
x = 220,366,806,879,261.16/19,058,554.08 - Step 6: Final answer
x = 11,562,619.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.