Finding the Fourth Proportional to 8,872,607.30, 13,308,910.95 and 3,190,781.30
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Solution
The fourth proportional to 8,872,607.30, 13,308,910.95 and 3,190,781.30 is: 4,786,171.95
Step by Step Solution
- Step 1: Write the proportion equation
8,872,607.30 : 13,308,910.95 = 3,190,781.30 : x - Step 2: Convert to fraction form
8,872,607.30/13,308,910.95 = 3,190,781.30/x - Step 3: Cross multiply
8,872,607.30x = 13,308,910.95 × 3,190,781.30 - Step 4: Simplify right side
8,872,607.30x = 42,465,824,182,625.23 - Step 5: Solve for x
x = 42,465,824,182,625.23/8,872,607.30 - Step 6: Final answer
x = 4,786,171.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.