Finding the Fourth Proportional to 7,989,483.98, 11,026,159.62 and 4,891,992.14
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Solution
The fourth proportional to 7,989,483.98, 11,026,159.62 and 4,891,992.14 is: 6,751,360.45
Step by Step Solution
- Step 1: Write the proportion equation
7,989,483.98 : 11,026,159.62 = 4,891,992.14 : x - Step 2: Convert to fraction form
7,989,483.98/11,026,159.62 = 4,891,992.14/x - Step 3: Cross multiply
7,989,483.98x = 11,026,159.62 × 4,891,992.14 - Step 4: Simplify right side
7,989,483.98x = 53,939,886,195,425.38 - Step 5: Solve for x
x = 53,939,886,195,425.38/7,989,483.98 - Step 6: Final answer
x = 6,751,360.45
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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.