Finding the Fourth Proportional to 22,703,365.35, 31,330,206.99 and 12,390,162.25
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Solution
The fourth proportional to 22,703,365.35, 31,330,206.99 and 12,390,162.25 is: 17,098,185.31
Step by Step Solution
- Step 1: Write the proportion equation
22,703,365.35 : 31,330,206.99 = 12,390,162.25 : x - Step 2: Convert to fraction form
22,703,365.35/31,330,206.99 = 12,390,162.25/x - Step 3: Cross multiply
22,703,365.35x = 31,330,206.99 × 12,390,162.25 - Step 4: Simplify right side
22,703,365.35x = 388,186,347,932,184.12 - Step 5: Solve for x
x = 388,186,347,932,184.12/22,703,365.35 - Step 6: Final answer
x = 17,098,185.31
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1.5x scale
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.