Finding the Fourth Proportional to 8,720,882.99, 12,034,701.05 and 4,853,403.12
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Solution
The fourth proportional to 8,720,882.99, 12,034,701.05 and 4,853,403.12 is: 6,697,630.93
Step by Step Solution
- Step 1: Write the proportion equation
8,720,882.99 : 12,034,701.05 = 4,853,403.12 : x - Step 2: Convert to fraction form
8,720,882.99/12,034,701.05 = 4,853,403.12/x - Step 3: Cross multiply
8,720,882.99x = 12,034,701.05 × 4,853,403.12 - Step 4: Simplify right side
8,720,882.99x = 58,409,255,600,070.26 - Step 5: Solve for x
x = 58,409,255,600,070.26/8,720,882.99 - Step 6: Final answer
x = 6,697,630.93
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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.