Finding the Fourth Proportional to 10,677,987.36, 14,723,814.96 and 6,804,372.96
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Solution
The fourth proportional to 10,677,987.36, 14,723,814.96 and 6,804,372.96 is: 9,382,510.49
Step by Step Solution
- Step 1: Write the proportion equation
10,677,987.36 : 14,723,814.96 = 6,804,372.96 : x - Step 2: Convert to fraction form
10,677,987.36/14,723,814.96 = 6,804,372.96/x - Step 3: Cross multiply
10,677,987.36x = 14,723,814.96 × 6,804,372.96 - Step 4: Simplify right side
10,677,987.36x = 100,186,328,381,867.48 - Step 5: Solve for x
x = 100,186,328,381,867.48/10,677,987.36 - Step 6: Final answer
x = 9,382,510.49
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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.