Finding the Fourth Proportional to 13,138,799.99, 19,680,717.69 and 10,566,084.47
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Solution
The fourth proportional to 13,138,799.99, 19,680,717.69 and 10,566,084.47 is: 15,827,025.73
Step by Step Solution
- Step 1: Write the proportion equation
13,138,799.99 : 19,680,717.69 = 10,566,084.47 : x - Step 2: Convert to fraction form
13,138,799.99/19,680,717.69 = 10,566,084.47/x - Step 3: Cross multiply
13,138,799.99x = 19,680,717.69 × 10,566,084.47 - Step 4: Simplify right side
13,138,799.99x = 207,948,125,444,359.69 - Step 5: Solve for x
x = 207,948,125,444,359.69/13,138,799.99 - Step 6: Final answer
x = 15,827,025.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.