Finding the Fourth Proportional to 11,362,429.12, 15,679,909.38 and 6,205,811.44
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Solution
The fourth proportional to 11,362,429.12, 15,679,909.38 and 6,205,811.44 is: 8,563,887.17
Step by Step Solution
- Step 1: Write the proportion equation
11,362,429.12 : 15,679,909.38 = 6,205,811.44 : x - Step 2: Convert to fraction form
11,362,429.12/15,679,909.38 = 6,205,811.44/x - Step 3: Cross multiply
11,362,429.12x = 15,679,909.38 × 6,205,811.44 - Step 4: Simplify right side
11,362,429.12x = 97,306,561,008,567.31 - Step 5: Solve for x
x = 97,306,561,008,567.31/11,362,429.12 - Step 6: Final answer
x = 8,563,887.17
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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.