Finding the Fourth Proportional to 15,306,590.75, 21,123,124.56 and 8,337,246.80
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Solution
The fourth proportional to 15,306,590.75, 21,123,124.56 and 8,337,246.80 is: 11,505,416.55
Step by Step Solution
- Step 1: Write the proportion equation
15,306,590.75 : 21,123,124.56 = 8,337,246.80 : x - Step 2: Convert to fraction form
15,306,590.75/21,123,124.56 = 8,337,246.80/x - Step 3: Cross multiply
15,306,590.75x = 21,123,124.56 × 8,337,246.80 - Step 4: Simplify right side
15,306,590.75x = 176,108,702,538,245.78 - Step 5: Solve for x
x = 176,108,702,538,245.78/15,306,590.75 - Step 6: Final answer
x = 11,505,416.55
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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.