Finding the Fourth Proportional to 19,237,040.40, 26,548,634.88 and 10,975,205.28
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Solution
The fourth proportional to 19,237,040.40, 26,548,634.88 and 10,975,205.28 is: 15,146,649.99
Step by Step Solution
- Step 1: Write the proportion equation
19,237,040.40 : 26,548,634.88 = 10,975,205.28 : x - Step 2: Convert to fraction form
19,237,040.40/26,548,634.88 = 10,975,205.28/x - Step 3: Cross multiply
19,237,040.40x = 26,548,634.88 × 10,975,205.28 - Step 4: Simplify right side
19,237,040.40x = 291,376,717,711,768.12 - Step 5: Solve for x
x = 291,376,717,711,768.12/19,237,040.40 - Step 6: Final answer
x = 15,146,649.99
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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.