Finding the Fourth Proportional to 18,395,328.30, 27,592,992.45 and 14,808,101.55
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Solution
The fourth proportional to 18,395,328.30, 27,592,992.45 and 14,808,101.55 is: 22,212,152.33
Step by Step Solution
- Step 1: Write the proportion equation
18,395,328.30 : 27,592,992.45 = 14,808,101.55 : x - Step 2: Convert to fraction form
18,395,328.30/27,592,992.45 = 14,808,101.55/x - Step 3: Cross multiply
18,395,328.30x = 27,592,992.45 × 14,808,101.55 - Step 4: Simplify right side
18,395,328.30x = 408,599,834,267,983.31 - Step 5: Solve for x
x = 408,599,834,267,983.31/18,395,328.30 - Step 6: Final answer
x = 22,212,152.33
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1.5x scale
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.