Finding the Fourth Proportional to 12,121,920.03, 18,182,437.18 and 3,602,035.07
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Solution
The fourth proportional to 12,121,920.03, 18,182,437.18 and 3,602,035.07 is: 5,402,921.00
Step by Step Solution
- Step 1: Write the proportion equation
12,121,920.03 : 18,182,437.18 = 3,602,035.07 : x - Step 2: Convert to fraction form
12,121,920.03/18,182,437.18 = 3,602,035.07/x - Step 3: Cross multiply
12,121,920.03x = 18,182,437.18 × 3,602,035.07 - Step 4: Simplify right side
12,121,920.03x = 65,493,776,368,960.22 - Step 5: Solve for x
x = 65,493,776,368,960.22/12,121,920.03 - Step 6: Final answer
x = 5,402,921.00
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1.5x scale
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.