Finding the Fourth Proportional to 10,999,914.63, 15,182,672.45 and 7,516,663.26
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Solution
The fourth proportional to 10,999,914.63, 15,182,672.45 and 7,516,663.26 is: 10,374,901.99
Step by Step Solution
- Step 1: Write the proportion equation
10,999,914.63 : 15,182,672.45 = 7,516,663.26 : x - Step 2: Convert to fraction form
10,999,914.63/15,182,672.45 = 7,516,663.26/x - Step 3: Cross multiply
10,999,914.63x = 15,182,672.45 × 7,516,663.26 - Step 4: Simplify right side
10,999,914.63x = 114,123,036,155,945.88 - Step 5: Solve for x
x = 114,123,036,155,945.88/10,999,914.63 - Step 6: Final answer
x = 10,374,901.99
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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.