Finding the Fourth Proportional to 13,148,285.12, 19,722,427.84 and 3,563,663.62
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Solution
The fourth proportional to 13,148,285.12, 19,722,427.84 and 3,563,663.62 is: 5,345,495.47
Step by Step Solution
- Step 1: Write the proportion equation
13,148,285.12 : 19,722,427.84 = 3,563,663.62 : x - Step 2: Convert to fraction form
13,148,285.12/19,722,427.84 = 3,563,663.62/x - Step 3: Cross multiply
13,148,285.12x = 19,722,427.84 × 3,563,663.62 - Step 4: Simplify right side
13,148,285.12x = 70,284,098,591,483.18 - Step 5: Solve for x
x = 70,284,098,591,483.18/13,148,285.12 - Step 6: Final answer
x = 5,345,495.47
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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.