Finding the Fourth Proportional to 8,637,950.16, 11,913,157.62 and 6,467,658.84
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Solution
The fourth proportional to 8,637,950.16, 11,913,157.62 and 6,467,658.84 is: 8,919,968.02
Step by Step Solution
- Step 1: Write the proportion equation
8,637,950.16 : 11,913,157.62 = 6,467,658.84 : x - Step 2: Convert to fraction form
8,637,950.16/11,913,157.62 = 6,467,658.84/x - Step 3: Cross multiply
8,637,950.16x = 11,913,157.62 × 6,467,658.84 - Step 4: Simplify right side
8,637,950.16x = 77,050,239,193,306.36 - Step 5: Solve for x
x = 77,050,239,193,306.36/8,637,950.16 - Step 6: Final answer
x = 8,919,968.02
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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.