Finding the Fourth Proportional to 26,515,959.36, 39,775,620.12 and 8,320,872.66
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Solution
The fourth proportional to 26,515,959.36, 39,775,620.12 and 8,320,872.66 is: 12,481,836.52
Step by Step Solution
- Step 1: Write the proportion equation
26,515,959.36 : 39,775,620.12 = 8,320,872.66 : x - Step 2: Convert to fraction form
26,515,959.36/39,775,620.12 = 8,320,872.66/x - Step 3: Cross multiply
26,515,959.36x = 39,775,620.12 × 8,320,872.66 - Step 4: Simplify right side
26,515,959.36x = 330,967,869,991,053.88 - Step 5: Solve for x
x = 330,967,869,991,053.88/26,515,959.36 - Step 6: Final answer
x = 12,481,836.52
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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.