Finding the Fourth Proportional to 15,952,839.99, 22,014,806.90 and 8,709,495.99
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Solution
The fourth proportional to 15,952,839.99, 22,014,806.90 and 8,709,495.99 is: 12,019,043.16
Step by Step Solution
- Step 1: Write the proportion equation
15,952,839.99 : 22,014,806.90 = 8,709,495.99 : x - Step 2: Convert to fraction form
15,952,839.99/22,014,806.90 = 8,709,495.99/x - Step 3: Cross multiply
15,952,839.99x = 22,014,806.90 × 8,709,495.99 - Step 4: Simplify right side
15,952,839.99x = 191,737,872,372,626.84 - Step 5: Solve for x
x = 191,737,872,372,626.84/15,952,839.99 - Step 6: Final answer
x = 12,019,043.16
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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.