Finding the Fourth Proportional to 29,360,787.84, 40,532,613.84 and 18,353,660.40
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Solution
The fourth proportional to 29,360,787.84, 40,532,613.84 and 18,353,660.40 is: 25,337,257.08
Step by Step Solution
- Step 1: Write the proportion equation
29,360,787.84 : 40,532,613.84 = 18,353,660.40 : x - Step 2: Convert to fraction form
29,360,787.84/40,532,613.84 = 18,353,660.40/x - Step 3: Cross multiply
29,360,787.84x = 40,532,613.84 × 18,353,660.40 - Step 4: Simplify right side
29,360,787.84x = 743,921,829,543,700 - Step 5: Solve for x
x = 743,921,829,543,700/29,360,787.84 - Step 6: Final answer
x = 25,337,257.08
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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.