Finding the Fourth Proportional to 14,273,389.68, 19,697,571 and 8,078,436.24
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Solution
The fourth proportional to 14,273,389.68, 19,697,571 and 8,078,436.24 is: 11,148,407.98
Step by Step Solution
- Step 1: Write the proportion equation
14,273,389.68 : 19,697,571 = 8,078,436.24 : x - Step 2: Convert to fraction form
14,273,389.68/19,697,571 = 8,078,436.24/x - Step 3: Cross multiply
14,273,389.68x = 19,697,571 × 8,078,436.24 - Step 4: Simplify right side
14,273,389.68x = 159,125,571,406,373.03 - Step 5: Solve for x
x = 159,125,571,406,373.03/14,273,389.68 - Step 6: Final answer
x = 11,148,407.98
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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.