Finding the Fourth Proportional to 7,086,889.13, 9,782,929.98 and 4,765,127.40
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Solution
The fourth proportional to 7,086,889.13, 9,782,929.98 and 4,765,127.40 is: 6,577,908.43
Step by Step Solution
- Step 1: Write the proportion equation
7,086,889.13 : 9,782,929.98 = 4,765,127.40 : x - Step 2: Convert to fraction form
7,086,889.13/9,782,929.98 = 4,765,127.40/x - Step 3: Cross multiply
7,086,889.13x = 9,782,929.98 × 4,765,127.40 - Step 4: Simplify right side
7,086,889.13x = 46,616,907,699,979.46 - Step 5: Solve for x
x = 46,616,907,699,979.46/7,086,889.13 - Step 6: Final answer
x = 6,577,908.43
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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.