Finding the Fourth Proportional to 14,453,453.68, 19,945,864.56 and 7,927,129.76
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Solution
The fourth proportional to 14,453,453.68, 19,945,864.56 and 7,927,129.76 is: 10,939,493.08
Step by Step Solution
- Step 1: Write the proportion equation
14,453,453.68 : 19,945,864.56 = 7,927,129.76 : x - Step 2: Convert to fraction form
14,453,453.68/19,945,864.56 = 7,927,129.76/x - Step 3: Cross multiply
14,453,453.68x = 19,945,864.56 × 7,927,129.76 - Step 4: Simplify right side
14,453,453.68x = 158,113,456,542,505.28 - Step 5: Solve for x
x = 158,113,456,542,505.28/14,453,453.68 - Step 6: Final answer
x = 10,939,493.08
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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.