Finding the Fourth Proportional to 15,837,014.25, 21,855,137.99 and 8,593,670.25
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Solution
The fourth proportional to 15,837,014.25, 21,855,137.99 and 8,593,670.25 is: 11,859,296.59
Step by Step Solution
- Step 1: Write the proportion equation
15,837,014.25 : 21,855,137.99 = 8,593,670.25 : x - Step 2: Convert to fraction form
15,837,014.25/21,855,137.99 = 8,593,670.25/x - Step 3: Cross multiply
15,837,014.25x = 21,855,137.99 × 8,593,670.25 - Step 4: Simplify right side
15,837,014.25x = 187,815,849,111,339.44 - Step 5: Solve for x
x = 187,815,849,111,339.44/15,837,014.25 - Step 6: Final answer
x = 11,859,296.59
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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.