Finding the Fourth Proportional to 27,861,560.96, 38,446,844.82 and 15,636,056
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Solution
The fourth proportional to 27,861,560.96, 38,446,844.82 and 15,636,056 is: 21,576,573.53
Step by Step Solution
- Step 1: Write the proportion equation
27,861,560.96 : 38,446,844.82 = 15,636,056 : x - Step 2: Convert to fraction form
27,861,560.96/38,446,844.82 = 15,636,056/x - Step 3: Cross multiply
27,861,560.96x = 38,446,844.82 × 15,636,056 - Step 4: Simplify right side
27,861,560.96x = 601,157,018,628,829.88 - Step 5: Solve for x
x = 601,157,018,628,829.88/27,861,560.96 - Step 6: Final answer
x = 21,576,573.53
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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.