Finding the Fourth Proportional to 18,139,193.95, 27,220,496.68 and 6,623,697.06
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Solution
The fourth proportional to 18,139,193.95, 27,220,496.68 and 6,623,697.06 is: 9,939,820.06
Step by Step Solution
- Step 1: Write the proportion equation
18,139,193.95 : 27,220,496.68 = 6,623,697.06 : x - Step 2: Convert to fraction form
18,139,193.95/27,220,496.68 = 6,623,697.06/x - Step 3: Cross multiply
18,139,193.95x = 27,220,496.68 × 6,623,697.06 - Step 4: Simplify right side
18,139,193.95x = 180,300,323,814,496.50 - Step 5: Solve for x
x = 180,300,323,814,496.50/18,139,193.95 - Step 6: Final answer
x = 9,939,820.06
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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.