Finding the Fourth Proportional to 12,310,860.55, 16,989,866.67 and 6,804,117.07
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Solution
The fourth proportional to 12,310,860.55, 16,989,866.67 and 6,804,117.07 is: 9,390,167.43
Step by Step Solution
- Step 1: Write the proportion equation
12,310,860.55 : 16,989,866.67 = 6,804,117.07 : x - Step 2: Convert to fraction form
12,310,860.55/16,989,866.67 = 6,804,117.07/x - Step 3: Cross multiply
12,310,860.55x = 16,989,866.67 × 6,804,117.07 - Step 4: Simplify right side
12,310,860.55x = 115,601,041,826,371.08 - Step 5: Solve for x
x = 115,601,041,826,371.08/12,310,860.55 - Step 6: Final answer
x = 9,390,167.43
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1.5x scale
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.