Finding the Fourth Proportional to 11,073,902.90, 16,610,854.35 and 8,087,918.90
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Solution
The fourth proportional to 11,073,902.90, 16,610,854.35 and 8,087,918.90 is: 12,131,878.35
Step by Step Solution
- Step 1: Write the proportion equation
11,073,902.90 : 16,610,854.35 = 8,087,918.90 : x - Step 2: Convert to fraction form
11,073,902.90/16,610,854.35 = 8,087,918.90/x - Step 3: Cross multiply
11,073,902.90x = 16,610,854.35 × 8,087,918.90 - Step 4: Simplify right side
11,073,902.90x = 134,347,242,842,512.22 - Step 5: Solve for x
x = 134,347,242,842,512.22/11,073,902.90 - Step 6: Final answer
x = 12,131,878.35
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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.