Finding the Fourth Proportional to 14,744,220.24, 20,344,557 and 8,216,418.80
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Solution
The fourth proportional to 14,744,220.24, 20,344,557 and 8,216,418.80 is: 11,337,283.21
Step by Step Solution
- Step 1: Write the proportion equation
14,744,220.24 : 20,344,557 = 8,216,418.80 : x - Step 2: Convert to fraction form
14,744,220.24/20,344,557 = 8,216,418.80/x - Step 3: Cross multiply
14,744,220.24x = 20,344,557 × 8,216,418.80 - Step 4: Simplify right side
14,744,220.24x = 167,159,400,612,471.59 - Step 5: Solve for x
x = 167,159,400,612,471.59/14,744,220.24 - Step 6: Final answer
x = 11,337,283.21
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1.5x scale
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.