Finding the Fourth Proportional to 27,509,566.41, 37,963,594.35 and 15,120,805.14
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Solution
The fourth proportional to 27,509,566.41, 37,963,594.35 and 15,120,805.14 is: 20,866,926.95
Step by Step Solution
- Step 1: Write the proportion equation
27,509,566.41 : 37,963,594.35 = 15,120,805.14 : x - Step 2: Convert to fraction form
27,509,566.41/37,963,594.35 = 15,120,805.14/x - Step 3: Cross multiply
27,509,566.41x = 37,963,594.35 × 15,120,805.14 - Step 4: Simplify right side
27,509,566.41x = 574,040,112,580,355 - Step 5: Solve for x
x = 574,040,112,580,355/27,509,566.41 - Step 6: Final answer
x = 20,866,926.95
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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.