Finding the Fourth Proportional to 14,273,318.77, 19,696,653.03 and 7,746,808.09
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Solution
The fourth proportional to 14,273,318.77, 19,696,653.03 and 7,746,808.09 is: 10,690,309.21
Step by Step Solution
- Step 1: Write the proportion equation
14,273,318.77 : 19,696,653.03 = 7,746,808.09 : x - Step 2: Convert to fraction form
14,273,318.77/19,696,653.03 = 7,746,808.09/x - Step 3: Cross multiply
14,273,318.77x = 19,696,653.03 × 7,746,808.09 - Step 4: Simplify right side
14,273,318.77x = 152,586,191,038,727.03 - Step 5: Solve for x
x = 152,586,191,038,727.03/14,273,318.77 - Step 6: Final answer
x = 10,690,309.21
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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.