Finding the Fourth Proportional to 8,321,506.29, 12,482,259.42 and 5,754,646.26
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Solution
The fourth proportional to 8,321,506.29, 12,482,259.42 and 5,754,646.26 is: 8,631,969.38
Step by Step Solution
- Step 1: Write the proportion equation
8,321,506.29 : 12,482,259.42 = 5,754,646.26 : x - Step 2: Convert to fraction form
8,321,506.29/12,482,259.42 = 5,754,646.26/x - Step 3: Cross multiply
8,321,506.29x = 12,482,259.42 × 5,754,646.26 - Step 4: Simplify right side
8,321,506.29x = 71,830,987,487,652.77 - Step 5: Solve for x
x = 71,830,987,487,652.77/8,321,506.29 - Step 6: Final answer
x = 8,631,969.38
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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.