Finding the Fourth Proportional to 27,509,565.41, 37,963,592.97 and 15,120,804.14
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Solution
The fourth proportional to 27,509,565.41, 37,963,592.97 and 15,120,804.14 is: 20,866,925.57
Step by Step Solution
- Step 1: Write the proportion equation
27,509,565.41 : 37,963,592.97 = 15,120,804.14 : x - Step 2: Convert to fraction form
27,509,565.41/37,963,592.97 = 15,120,804.14/x - Step 3: Cross multiply
27,509,565.41x = 37,963,592.97 × 15,120,804.14 - Step 4: Simplify right side
27,509,565.41x = 574,040,053,750,050.88 - Step 5: Solve for x
x = 574,040,053,750,050.88/27,509,565.41 - Step 6: Final answer
x = 20,866,925.57
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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.