Finding the Fourth Proportional to 51,271,376.76, 70,754,494.68 and 28,066,519.44
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Solution
The fourth proportional to 51,271,376.76, 70,754,494.68 and 28,066,519.44 is: 38,731,793.95
Step by Step Solution
- Step 1: Write the proportion equation
51,271,376.76 : 70,754,494.68 = 28,066,519.44 : x - Step 2: Convert to fraction form
51,271,376.76/70,754,494.68 = 28,066,519.44/x - Step 3: Cross multiply
51,271,376.76x = 70,754,494.68 × 28,066,519.44 - Step 4: Simplify right side
51,271,376.76x = 1,985,832,400,403,596.75 - Step 5: Solve for x
x = 1,985,832,400,403,596.75/51,271,376.76 - Step 6: Final answer
x = 38,731,793.95
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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.