Finding the Fourth Proportional to 14,389,337.49, 19,857,337.29 and 7,862,966.88
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Solution
The fourth proportional to 14,389,337.49, 19,857,337.29 and 7,862,966.88 is: 10,850,922.47
Step by Step Solution
- Step 1: Write the proportion equation
14,389,337.49 : 19,857,337.29 = 7,862,966.88 : x - Step 2: Convert to fraction form
14,389,337.49/19,857,337.29 = 7,862,966.88/x - Step 3: Cross multiply
14,389,337.49x = 19,857,337.29 × 7,862,966.88 - Step 4: Simplify right side
14,389,337.49x = 156,137,585,436,258.94 - Step 5: Solve for x
x = 156,137,585,436,258.94/14,389,337.49 - Step 6: Final answer
x = 10,850,922.47
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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.