Finding the Fourth Proportional to 13,253,390.74, 19,875,163.74 and 4,615,272.91
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Solution
The fourth proportional to 13,253,390.74, 19,875,163.74 and 4,615,272.91 is: 6,921,195.23
Step by Step Solution
- Step 1: Write the proportion equation
13,253,390.74 : 19,875,163.74 = 4,615,272.91 : x - Step 2: Convert to fraction form
13,253,390.74/19,875,163.74 = 4,615,272.91/x - Step 3: Cross multiply
13,253,390.74x = 19,875,163.74 × 4,615,272.91 - Step 4: Simplify right side
13,253,390.74x = 91,729,304,791,036.28 - Step 5: Solve for x
x = 91,729,304,791,036.28/13,253,390.74 - Step 6: Final answer
x = 6,921,195.23
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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.