Finding the Fourth Proportional to 14,273,439.66, 19,697,361.28 and 7,747,070.49
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Solution
The fourth proportional to 14,273,439.66, 19,697,361.28 and 7,747,070.49 is: 10,690,965.17
Step by Step Solution
- Step 1: Write the proportion equation
14,273,439.66 : 19,697,361.28 = 7,747,070.49 : x - Step 2: Convert to fraction form
14,273,439.66/19,697,361.28 = 7,747,070.49/x - Step 3: Cross multiply
14,273,439.66x = 19,697,361.28 × 7,747,070.49 - Step 4: Simplify right side
14,273,439.66x = 152,596,846,283,788.97 - Step 5: Solve for x
x = 152,596,846,283,788.97/14,273,439.66 - Step 6: Final answer
x = 10,690,965.17
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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.