Finding the Fourth Proportional to 19,492,379.08, 26,899,695.90 and 10,790,697
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Solution
The fourth proportional to 19,492,379.08, 26,899,695.90 and 10,790,697 is: 14,891,279.65
Step by Step Solution
- Step 1: Write the proportion equation
19,492,379.08 : 26,899,695.90 = 10,790,697 : x - Step 2: Convert to fraction form
19,492,379.08/26,899,695.90 = 10,790,697/x - Step 3: Cross multiply
19,492,379.08x = 26,899,695.90 × 10,790,697 - Step 4: Simplify right side
19,492,379.08x = 290,266,467,849,042.31 - Step 5: Solve for x
x = 290,266,467,849,042.31/19,492,379.08 - Step 6: Final answer
x = 14,891,279.65
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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.