Finding the Fourth Proportional to 14,133,720.36, 19,516,657.12 and 13,676,681.10
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Solution
The fourth proportional to 14,133,720.36, 19,516,657.12 and 13,676,681.10 is: 18,885,550.92
Step by Step Solution
- Step 1: Write the proportion equation
14,133,720.36 : 19,516,657.12 = 13,676,681.10 : x - Step 2: Convert to fraction form
14,133,720.36/19,516,657.12 = 13,676,681.10/x - Step 3: Cross multiply
14,133,720.36x = 19,516,657.12 × 13,676,681.10 - Step 4: Simplify right side
14,133,720.36x = 266,923,095,568,284.44 - Step 5: Solve for x
x = 266,923,095,568,284.44/14,133,720.36 - Step 6: Final answer
x = 18,885,550.92
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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.