Finding the Fourth Proportional to 12,148,560.75, 16,765,363.76 and 6,716,402.67
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Solution
The fourth proportional to 12,148,560.75, 16,765,363.76 and 6,716,402.67 is: 9,268,829.14
Step by Step Solution
- Step 1: Write the proportion equation
12,148,560.75 : 16,765,363.76 = 6,716,402.67 : x - Step 2: Convert to fraction form
12,148,560.75/16,765,363.76 = 6,716,402.67/x - Step 3: Cross multiply
12,148,560.75x = 16,765,363.76 × 6,716,402.67 - Step 4: Simplify right side
12,148,560.75x = 112,602,933,887,603.23 - Step 5: Solve for x
x = 112,602,933,887,603.23/12,148,560.75 - Step 6: Final answer
x = 9,268,829.14
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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.