Finding the Fourth Proportional to 7,656,247.02, 10,565,860.15 and 4,393,658.54
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Solution
The fourth proportional to 7,656,247.02, 10,565,860.15 and 4,393,658.54 is: 6,063,386.09
Step by Step Solution
- Step 1: Write the proportion equation
7,656,247.02 : 10,565,860.15 = 4,393,658.54 : x - Step 2: Convert to fraction form
7,656,247.02/10,565,860.15 = 4,393,658.54/x - Step 3: Cross multiply
7,656,247.02x = 10,565,860.15 × 4,393,658.54 - Step 4: Simplify right side
7,656,247.02x = 46,422,781,680,493.18 - Step 5: Solve for x
x = 46,422,781,680,493.18/7,656,247.02 - Step 6: Final answer
x = 6,063,386.09
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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.