Finding the Fourth Proportional to 12,953,356.04, 17,868,137.70 and 8,369,677.42
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Solution
The fourth proportional to 12,953,356.04, 17,868,137.70 and 8,369,677.42 is: 11,545,312.90
Step by Step Solution
- Step 1: Write the proportion equation
12,953,356.04 : 17,868,137.70 = 8,369,677.42 : x - Step 2: Convert to fraction form
12,953,356.04/17,868,137.70 = 8,369,677.42/x - Step 3: Cross multiply
12,953,356.04x = 17,868,137.70 × 8,369,677.42 - Step 4: Simplify right side
12,953,356.04x = 149,550,548,631,856.69 - Step 5: Solve for x
x = 149,550,548,631,856.69/12,953,356.04 - Step 6: Final answer
x = 11,545,312.90
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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.