Finding the Fourth Proportional to 19,385,634.38, 26,756,145.24 and 11,549,736.95
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Solution
The fourth proportional to 19,385,634.38, 26,756,145.24 and 11,549,736.95 is: 15,941,002.15
Step by Step Solution
- Step 1: Write the proportion equation
19,385,634.38 : 26,756,145.24 = 11,549,736.95 : x - Step 2: Convert to fraction form
19,385,634.38/26,756,145.24 = 11,549,736.95/x - Step 3: Cross multiply
19,385,634.38x = 26,756,145.24 × 11,549,736.95 - Step 4: Simplify right side
19,385,634.38x = 309,026,439,317,994.56 - Step 5: Solve for x
x = 309,026,439,317,994.56/19,385,634.38 - Step 6: Final answer
x = 15,941,002.15
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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.