Finding the Fourth Proportional to 11,302,778.98, 15,598,130.61 and 6,146,442.10
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Solution
The fourth proportional to 11,302,778.98, 15,598,130.61 and 6,146,442.10 is: 8,482,250.85
Step by Step Solution
- Step 1: Write the proportion equation
11,302,778.98 : 15,598,130.61 = 6,146,442.10 : x - Step 2: Convert to fraction form
11,302,778.98/15,598,130.61 = 6,146,442.10/x - Step 3: Cross multiply
11,302,778.98x = 15,598,130.61 × 6,146,442.10 - Step 4: Simplify right side
11,302,778.98x = 95,873,006,662,602.67 - Step 5: Solve for x
x = 95,873,006,662,602.67/11,302,778.98 - Step 6: Final answer
x = 8,482,250.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.