Finding the Fourth Proportional to 18,018,315.87, 24,865,152.66 and 9,758,188.19
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Solution
The fourth proportional to 18,018,315.87, 24,865,152.66 and 9,758,188.19 is: 13,466,232.95
Step by Step Solution
- Step 1: Write the proportion equation
18,018,315.87 : 24,865,152.66 = 9,758,188.19 : x - Step 2: Convert to fraction form
18,018,315.87/24,865,152.66 = 9,758,188.19/x - Step 3: Cross multiply
18,018,315.87x = 24,865,152.66 × 9,758,188.19 - Step 4: Simplify right side
18,018,315.87x = 242,638,838,905,033.34 - Step 5: Solve for x
x = 242,638,838,905,033.34/18,018,315.87 - Step 6: Final answer
x = 13,466,232.95
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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.