Finding the Fourth Proportional to 7,419,263.24, 10,221,103.86 and 6,972,852.80
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Solution
The fourth proportional to 7,419,263.24, 10,221,103.86 and 6,972,852.80 is: 9,606,109.17
Step by Step Solution
- Step 1: Write the proportion equation
7,419,263.24 : 10,221,103.86 = 6,972,852.80 : x - Step 2: Convert to fraction form
7,419,263.24/10,221,103.86 = 6,972,852.80/x - Step 3: Cross multiply
7,419,263.24x = 10,221,103.86 × 6,972,852.80 - Step 4: Simplify right side
7,419,263.24x = 71,270,252,669,291.80 - Step 5: Solve for x
x = 71,270,252,669,291.80/7,419,263.24 - Step 6: Final answer
x = 9,606,109.17
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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.