Finding the Fourth Proportional to 30,297,807.68, 41,812,006.35 and 17,918,512.88
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Solution
The fourth proportional to 30,297,807.68, 41,812,006.35 and 17,918,512.88 is: 24,728,157.96
Step by Step Solution
- Step 1: Write the proportion equation
30,297,807.68 : 41,812,006.35 = 17,918,512.88 : x - Step 2: Convert to fraction form
30,297,807.68/41,812,006.35 = 17,918,512.88/x - Step 3: Cross multiply
30,297,807.68x = 41,812,006.35 × 17,918,512.88 - Step 4: Simplify right side
30,297,807.68x = 749,208,974,112,056.75 - Step 5: Solve for x
x = 749,208,974,112,056.75/30,297,807.68 - Step 6: Final answer
x = 24,728,157.96
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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.