Finding the Fourth Proportional to 19,382,549.98, 26,748,098.33 and 10,681,033.97
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Solution
The fourth proportional to 19,382,549.98, 26,748,098.33 and 10,681,033.97 is: 14,739,925.72
Step by Step Solution
- Step 1: Write the proportion equation
19,382,549.98 : 26,748,098.33 = 10,681,033.97 : x - Step 2: Convert to fraction form
19,382,549.98/26,748,098.33 = 10,681,033.97/x - Step 3: Cross multiply
19,382,549.98x = 26,748,098.33 × 10,681,033.97 - Step 4: Simplify right side
19,382,549.98x = 285,697,346,895,630.25 - Step 5: Solve for x
x = 285,697,346,895,630.25/19,382,549.98 - Step 6: Final answer
x = 14,739,925.72
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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.