Finding the Fourth Proportional to 19,385,627.52, 26,756,135.76 and 11,549,730.12
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Solution
The fourth proportional to 19,385,627.52, 26,756,135.76 and 11,549,730.12 is: 15,940,992.72
Step by Step Solution
- Step 1: Write the proportion equation
19,385,627.52 : 26,756,135.76 = 11,549,730.12 : x - Step 2: Convert to fraction form
19,385,627.52/26,756,135.76 = 11,549,730.12/x - Step 3: Cross multiply
19,385,627.52x = 26,756,135.76 × 11,549,730.12 - Step 4: Simplify right side
19,385,627.52x = 309,026,147,082,081.06 - Step 5: Solve for x
x = 309,026,147,082,081.06/19,385,627.52 - Step 6: Final answer
x = 15,940,992.72
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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.