Finding the Fourth Proportional to 19,879,023, 27,433,097.76 and 11,177,270.76
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Solution
The fourth proportional to 19,879,023, 27,433,097.76 and 11,177,270.76 is: 15,424,659.52
Step by Step Solution
- Step 1: Write the proportion equation
19,879,023 : 27,433,097.76 = 11,177,270.76 : x - Step 2: Convert to fraction form
19,879,023/27,433,097.76 = 11,177,270.76/x - Step 3: Cross multiply
19,879,023x = 27,433,097.76 × 11,177,270.76 - Step 4: Simplify right side
19,879,023x = 306,627,161,449,069.50 - Step 5: Solve for x
x = 306,627,161,449,069.50/19,879,023 - Step 6: Final answer
x = 15,424,659.52
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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.