Finding the Fourth Proportional to 12,066,911.18, 16,652,337.44 and 6,634,403.18
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Solution
The fourth proportional to 12,066,911.18, 16,652,337.44 and 6,634,403.18 is: 9,155,476.39
Step by Step Solution
- Step 1: Write the proportion equation
12,066,911.18 : 16,652,337.44 = 6,634,403.18 : x - Step 2: Convert to fraction form
12,066,911.18/16,652,337.44 = 6,634,403.18/x - Step 3: Cross multiply
12,066,911.18x = 16,652,337.44 × 6,634,403.18 - Step 4: Simplify right side
12,066,911.18x = 110,478,320,466,369.05 - Step 5: Solve for x
x = 110,478,320,466,369.05/12,066,911.18 - Step 6: Final answer
x = 9,155,476.39
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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.