Finding the Fourth Proportional to 18,436,862.70, 27,652,669.65 and 6,306,885.90
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Solution
The fourth proportional to 18,436,862.70, 27,652,669.65 and 6,306,885.90 is: 9,459,431.09
Step by Step Solution
- Step 1: Write the proportion equation
18,436,862.70 : 27,652,669.65 = 6,306,885.90 : x - Step 2: Convert to fraction form
18,436,862.70/27,652,669.65 = 6,306,885.90/x - Step 3: Cross multiply
18,436,862.70x = 27,652,669.65 × 6,306,885.90 - Step 4: Simplify right side
18,436,862.70x = 174,402,232,312,942.94 - Step 5: Solve for x
x = 174,402,232,312,942.94/18,436,862.70 - Step 6: Final answer
x = 9,459,431.09
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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.