Finding the Fourth Proportional to 26,641,282.20, 39,961,923.30 and 12,292,375.20
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Solution
The fourth proportional to 26,641,282.20, 39,961,923.30 and 12,292,375.20 is: 18,438,562.80
Step by Step Solution
- Step 1: Write the proportion equation
26,641,282.20 : 39,961,923.30 = 12,292,375.20 : x - Step 2: Convert to fraction form
26,641,282.20/39,961,923.30 = 12,292,375.20/x - Step 3: Cross multiply
26,641,282.20x = 39,961,923.30 × 12,292,375.20 - Step 4: Simplify right side
26,641,282.20x = 491,226,954,917,222.06 - Step 5: Solve for x
x = 491,226,954,917,222.06/26,641,282.20 - Step 6: Final answer
x = 18,438,562.80
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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.