Finding the Fourth Proportional to 18,118,254.42, 27,168,983.55 and 6,755,652.18
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Solution
The fourth proportional to 18,118,254.42, 27,168,983.55 and 6,755,652.18 is: 10,130,346.92
Step by Step Solution
- Step 1: Write the proportion equation
18,118,254.42 : 27,168,983.55 = 6,755,652.18 : x - Step 2: Convert to fraction form
18,118,254.42/27,168,983.55 = 6,755,652.18/x - Step 3: Cross multiply
18,118,254.42x = 27,168,983.55 × 6,755,652.18 - Step 4: Simplify right side
18,118,254.42x = 183,544,202,947,941.62 - Step 5: Solve for x
x = 183,544,202,947,941.62/18,118,254.42 - Step 6: Final answer
x = 10,130,346.92
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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.