Finding the Fourth Proportional to 14,143,446.87, 19,518,093.14 and 8,031,919.11
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Solution
The fourth proportional to 14,143,446.87, 19,518,093.14 and 8,031,919.11 is: 11,084,125.87
Step by Step Solution
- Step 1: Write the proportion equation
14,143,446.87 : 19,518,093.14 = 8,031,919.11 : x - Step 2: Convert to fraction form
14,143,446.87/19,518,093.14 = 8,031,919.11/x - Step 3: Cross multiply
14,143,446.87x = 19,518,093.14 × 8,031,919.11 - Step 4: Simplify right side
14,143,446.87x = 156,767,745,281,925.91 - Step 5: Solve for x
x = 156,767,745,281,925.91/14,143,446.87 - Step 6: Final answer
x = 11,084,125.87
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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.