Finding the Fourth Proportional to 19,928,952.02, 27,503,985.30 and 12,199,102.58
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Solution
The fourth proportional to 19,928,952.02, 27,503,985.30 and 12,199,102.58 is: 16,836,005.11
Step by Step Solution
- Step 1: Write the proportion equation
19,928,952.02 : 27,503,985.30 = 12,199,102.58 : x - Step 2: Convert to fraction form
19,928,952.02/27,503,985.30 = 12,199,102.58/x - Step 3: Cross multiply
19,928,952.02x = 27,503,985.30 × 12,199,102.58 - Step 4: Simplify right side
19,928,952.02x = 335,523,938,033,512.06 - Step 5: Solve for x
x = 335,523,938,033,512.06/19,928,952.02 - Step 6: Final answer
x = 16,836,005.11
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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.