Finding the Fourth Proportional to 7,687,739.72, 10,609,302.24 and 4,250,202.18
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Solution
The fourth proportional to 7,687,739.72, 10,609,302.24 and 4,250,202.18 is: 5,865,401.43
Step by Step Solution
- Step 1: Write the proportion equation
7,687,739.72 : 10,609,302.24 = 4,250,202.18 : x - Step 2: Convert to fraction form
7,687,739.72/10,609,302.24 = 4,250,202.18/x - Step 3: Cross multiply
7,687,739.72x = 10,609,302.24 × 4,250,202.18 - Step 4: Simplify right side
7,687,739.72x = 45,091,679,508,726.88 - Step 5: Solve for x
x = 45,091,679,508,726.88/7,687,739.72 - Step 6: Final answer
x = 5,865,401.43
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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.