Finding the Fourth Proportional to 19,584,342.20, 29,376,513.30 and 6,121,148.60
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Solution
The fourth proportional to 19,584,342.20, 29,376,513.30 and 6,121,148.60 is: 9,181,722.90
Step by Step Solution
- Step 1: Write the proportion equation
19,584,342.20 : 29,376,513.30 = 6,121,148.60 : x - Step 2: Convert to fraction form
19,584,342.20/29,376,513.30 = 6,121,148.60/x - Step 3: Cross multiply
19,584,342.20x = 29,376,513.30 × 6,121,148.60 - Step 4: Simplify right side
19,584,342.20x = 179,818,003,259,176.38 - Step 5: Solve for x
x = 179,818,003,259,176.38/19,584,342.20 - Step 6: Final answer
x = 9,181,722.90
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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.