Finding the Fourth Proportional to 9,882,778.21, 14,804,860.75 and 6,808,226.53
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Solution
The fourth proportional to 9,882,778.21, 14,804,860.75 and 6,808,226.53 is: 10,199,039.54
Step by Step Solution
- Step 1: Write the proportion equation
9,882,778.21 : 14,804,860.75 = 6,808,226.53 : x - Step 2: Convert to fraction form
9,882,778.21/14,804,860.75 = 6,808,226.53/x - Step 3: Cross multiply
9,882,778.21x = 14,804,860.75 × 6,808,226.53 - Step 4: Simplify right side
9,882,778.21x = 100,794,845,640,060.84 - Step 5: Solve for x
x = 100,794,845,640,060.84/9,882,778.21 - Step 6: Final answer
x = 10,199,039.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.