Finding the Fourth Proportional to 47,389,422, 71,086,888.66 and 13,313,425.08
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Solution
The fourth proportional to 47,389,422, 71,086,888.66 and 13,313,425.08 is: 19,970,911.79
Step by Step Solution
- Step 1: Write the proportion equation
47,389,422 : 71,086,888.66 = 13,313,425.08 : x - Step 2: Convert to fraction form
47,389,422/71,086,888.66 = 13,313,425.08/x - Step 3: Cross multiply
47,389,422x = 71,086,888.66 × 13,313,425.08 - Step 4: Simplify right side
47,389,422x = 946,409,966,345,211.50 - Step 5: Solve for x
x = 946,409,966,345,211.50/47,389,422 - Step 6: Final answer
x = 19,970,911.79
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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.