Finding the Fourth Proportional to 32,511,641.16, 48,767,240.34 and 7,919,274.54
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Solution
The fourth proportional to 32,511,641.16, 48,767,240.34 and 7,919,274.54 is: 11,878,857.88
Step by Step Solution
- Step 1: Write the proportion equation
32,511,641.16 : 48,767,240.34 = 7,919,274.54 : x - Step 2: Convert to fraction form
32,511,641.16/48,767,240.34 = 7,919,274.54/x - Step 3: Cross multiply
32,511,641.16x = 48,767,240.34 × 7,919,274.54 - Step 4: Simplify right side
32,511,641.16x = 386,201,164,810,623 - Step 5: Solve for x
x = 386,201,164,810,623/32,511,641.16 - Step 6: Final answer
x = 11,878,857.88
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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.