Finding the Fourth Proportional to 14,366,853.74, 19,826,678.49 and 7,840,901.77
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Solution
The fourth proportional to 14,366,853.74, 19,826,678.49 and 7,840,901.77 is: 10,820,673.84
Step by Step Solution
- Step 1: Write the proportion equation
14,366,853.74 : 19,826,678.49 = 7,840,901.77 : x - Step 2: Convert to fraction form
14,366,853.74/19,826,678.49 = 7,840,901.77/x - Step 3: Cross multiply
14,366,853.74x = 19,826,678.49 × 7,840,901.77 - Step 4: Simplify right side
14,366,853.74x = 155,459,038,465,461.91 - Step 5: Solve for x
x = 155,459,038,465,461.91/14,366,853.74 - Step 6: Final answer
x = 10,820,673.84
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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.