Finding the Fourth Proportional to 15,550,818.36, 23,326,129.08 and 5,310,737.52
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Solution
The fourth proportional to 15,550,818.36, 23,326,129.08 and 5,310,737.52 is: 7,966,072.66
Step by Step Solution
- Step 1: Write the proportion equation
15,550,818.36 : 23,326,129.08 = 5,310,737.52 : x - Step 2: Convert to fraction form
15,550,818.36/23,326,129.08 = 5,310,737.52/x - Step 3: Cross multiply
15,550,818.36x = 23,326,129.08 × 5,310,737.52 - Step 4: Simplify right side
15,550,818.36x = 123,878,948,901,519.06 - Step 5: Solve for x
x = 123,878,948,901,519.06/15,550,818.36 - Step 6: Final answer
x = 7,966,072.66
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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.