Finding the Fourth Proportional to 19,113,445.08, 26,376,589.98 and 11,378,755.08
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Solution
The fourth proportional to 19,113,445.08, 26,376,589.98 and 11,378,755.08 is: 15,702,703.31
Step by Step Solution
- Step 1: Write the proportion equation
19,113,445.08 : 26,376,589.98 = 11,378,755.08 : x - Step 2: Convert to fraction form
19,113,445.08/26,376,589.98 = 11,378,755.08/x - Step 3: Cross multiply
19,113,445.08x = 26,376,589.98 × 11,378,755.08 - Step 4: Simplify right side
19,113,445.08x = 300,132,757,228,002.12 - Step 5: Solve for x
x = 300,132,757,228,002.12/19,113,445.08 - Step 6: Final answer
x = 15,702,703.31
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1.5x scale
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.