Finding the Fourth Proportional to 8,590,901.22, 11,855,668.14 and 4,670,920.98
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Solution
The fourth proportional to 8,590,901.22, 11,855,668.14 and 4,670,920.98 is: 6,445,992.99
Step by Step Solution
- Step 1: Write the proportion equation
8,590,901.22 : 11,855,668.14 = 4,670,920.98 : x - Step 2: Convert to fraction form
8,590,901.22/11,855,668.14 = 4,670,920.98/x - Step 3: Cross multiply
8,590,901.22x = 11,855,668.14 × 4,670,920.98 - Step 4: Simplify right side
8,590,901.22x = 55,376,889,047,043.59 - Step 5: Solve for x
x = 55,376,889,047,043.59/8,590,901.22 - Step 6: Final answer
x = 6,445,992.99
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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.