Finding the Fourth Proportional to 11,810,773.18, 16,298,866.47 and 6,378,264.70
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Solution
The fourth proportional to 11,810,773.18, 16,298,866.47 and 6,378,264.70 is: 8,802,005.01
Step by Step Solution
- Step 1: Write the proportion equation
11,810,773.18 : 16,298,866.47 = 6,378,264.70 : x - Step 2: Convert to fraction form
11,810,773.18/16,298,866.47 = 6,378,264.70/x - Step 3: Cross multiply
11,810,773.18x = 16,298,866.47 × 6,378,264.70 - Step 4: Simplify right side
11,810,773.18x = 103,958,484,655,614.61 - Step 5: Solve for x
x = 103,958,484,655,614.61/11,810,773.18 - Step 6: Final answer
x = 8,802,005.01
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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.