Finding the Fourth Proportional to 14,281,856.82, 19,709,122.77 and 7,755,563.70
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Solution
The fourth proportional to 14,281,856.82, 19,709,122.77 and 7,755,563.70 is: 10,702,764.99
Step by Step Solution
- Step 1: Write the proportion equation
14,281,856.82 : 19,709,122.77 = 7,755,563.70 : x - Step 2: Convert to fraction form
14,281,856.82/19,709,122.77 = 7,755,563.70/x - Step 3: Cross multiply
14,281,856.82x = 19,709,122.77 × 7,755,563.70 - Step 4: Simplify right side
14,281,856.82x = 152,855,357,113,855.44 - Step 5: Solve for x
x = 152,855,357,113,855.44/14,281,856.82 - Step 6: Final answer
x = 10,702,764.99
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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.