Finding the Fourth Proportional to 13,572,184.96, 18,729,748.34 and 7,377,227.84
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Solution
The fourth proportional to 13,572,184.96, 18,729,748.34 and 7,377,227.84 is: 10,180,646.76
Step by Step Solution
- Step 1: Write the proportion equation
13,572,184.96 : 18,729,748.34 = 7,377,227.84 : x - Step 2: Convert to fraction form
13,572,184.96/18,729,748.34 = 7,377,227.84/x - Step 3: Cross multiply
13,572,184.96x = 18,729,748.34 × 7,377,227.84 - Step 4: Simplify right side
13,572,184.96x = 138,173,620,890,041.78 - Step 5: Solve for x
x = 138,173,620,890,041.78/13,572,184.96 - Step 6: Final answer
x = 10,180,646.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.