Finding the Fourth Proportional to 30,473,882.12, 45,717,597.42 and 14,291,208.44
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Solution
The fourth proportional to 30,473,882.12, 45,717,597.42 and 14,291,208.44 is: 21,439,989.55
Step by Step Solution
- Step 1: Write the proportion equation
30,473,882.12 : 45,717,597.42 = 14,291,208.44 : x - Step 2: Convert to fraction form
30,473,882.12/45,717,597.42 = 14,291,208.44/x - Step 3: Cross multiply
30,473,882.12x = 45,717,597.42 × 14,291,208.44 - Step 4: Simplify right side
30,473,882.12x = 653,359,714,105,226.25 - Step 5: Solve for x
x = 653,359,714,105,226.25/30,473,882.12 - Step 6: Final answer
x = 21,439,989.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.