Finding the Fourth Proportional to 14,235,063.99, 19,644,398.67 and 7,708,700.53
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Solution
The fourth proportional to 14,235,063.99, 19,644,398.67 and 7,708,700.53 is: 10,638,012.34
Step by Step Solution
- Step 1: Write the proportion equation
14,235,063.99 : 19,644,398.67 = 7,708,700.53 : x - Step 2: Convert to fraction form
14,235,063.99/19,644,398.67 = 7,708,700.53/x - Step 3: Cross multiply
14,235,063.99x = 19,644,398.67 × 7,708,700.53 - Step 4: Simplify right side
14,235,063.99x = 151,432,786,438,960.31 - Step 5: Solve for x
x = 151,432,786,438,960.31/14,235,063.99 - Step 6: Final answer
x = 10,638,012.34
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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.