Finding the Fourth Proportional to 11,362,429.44, 15,679,910.07 and 6,205,811.76
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Solution
The fourth proportional to 11,362,429.44, 15,679,910.07 and 6,205,811.76 is: 8,563,887.75
Step by Step Solution
- Step 1: Write the proportion equation
11,362,429.44 : 15,679,910.07 = 6,205,811.76 : x - Step 2: Convert to fraction form
11,362,429.44/15,679,910.07 = 6,205,811.76/x - Step 3: Cross multiply
11,362,429.44x = 15,679,910.07 × 6,205,811.76 - Step 4: Simplify right side
11,362,429.44x = 97,306,570,308,148.42 - Step 5: Solve for x
x = 97,306,570,308,148.42/11,362,429.44 - Step 6: Final answer
x = 8,563,887.75
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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.