Finding the Fourth Proportional to 18,334,911.84, 27,502,372.85 and 6,818,874.44
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Solution
The fourth proportional to 18,334,911.84, 27,502,372.85 and 6,818,874.44 is: 10,228,313.55
Step by Step Solution
- Step 1: Write the proportion equation
18,334,911.84 : 27,502,372.85 = 6,818,874.44 : x - Step 2: Convert to fraction form
18,334,911.84/27,502,372.85 = 6,818,874.44/x - Step 3: Cross multiply
18,334,911.84x = 27,502,372.85 × 6,818,874.44 - Step 4: Simplify right side
18,334,911.84x = 187,535,227,266,214.97 - Step 5: Solve for x
x = 187,535,227,266,214.97/18,334,911.84 - Step 6: Final answer
x = 10,228,313.55
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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.