Finding the Fourth Proportional to 25,793,927.88, 38,632,070.68 and 12,340,272.84
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Solution
The fourth proportional to 25,793,927.88, 38,632,070.68 and 12,340,272.84 is: 18,482,268.18
Step by Step Solution
- Step 1: Write the proportion equation
25,793,927.88 : 38,632,070.68 = 12,340,272.84 : x - Step 2: Convert to fraction form
25,793,927.88/38,632,070.68 = 12,340,272.84/x - Step 3: Cross multiply
25,793,927.88x = 38,632,070.68 × 12,340,272.84 - Step 4: Simplify right side
25,793,927.88x = 476,730,292,565,364.31 - Step 5: Solve for x
x = 476,730,292,565,364.31/25,793,927.88 - Step 6: Final answer
x = 18,482,268.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.