Finding the Fourth Proportional to 19,113,446.08, 26,376,591.36 and 11,378,756.08
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Solution
The fourth proportional to 19,113,446.08, 26,376,591.36 and 11,378,756.08 is: 15,702,704.69
Step by Step Solution
- Step 1: Write the proportion equation
19,113,446.08 : 26,376,591.36 = 11,378,756.08 : x - Step 2: Convert to fraction form
19,113,446.08/26,376,591.36 = 11,378,756.08/x - Step 3: Cross multiply
19,113,446.08x = 26,376,591.36 × 11,378,756.08 - Step 4: Simplify right side
19,113,446.08x = 300,132,799,307,275.44 - Step 5: Solve for x
x = 300,132,799,307,275.44/19,113,446.08 - Step 6: Final answer
x = 15,702,704.69
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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.