Finding the Fourth Proportional to 7,136,498.70, 9,848,117.75 and 3,873,247.76
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Solution
The fourth proportional to 7,136,498.70, 9,848,117.75 and 3,873,247.76 is: 5,344,945.97
Step by Step Solution
- Step 1: Write the proportion equation
7,136,498.70 : 9,848,117.75 = 3,873,247.76 : x - Step 2: Convert to fraction form
7,136,498.70/9,848,117.75 = 3,873,247.76/x - Step 3: Cross multiply
7,136,498.70x = 9,848,117.75 × 3,873,247.76 - Step 4: Simplify right side
7,136,498.70x = 38,144,199,946,796.91 - Step 5: Solve for x
x = 38,144,199,946,796.91/7,136,498.70 - Step 6: Final answer
x = 5,344,945.97
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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.