Finding the Fourth Proportional to 8,853,348.80, 13,280,023.20 and 6,113,475.20
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Solution
The fourth proportional to 8,853,348.80, 13,280,023.20 and 6,113,475.20 is: 9,170,212.80
Step by Step Solution
- Step 1: Write the proportion equation
8,853,348.80 : 13,280,023.20 = 6,113,475.20 : x - Step 2: Convert to fraction form
8,853,348.80/13,280,023.20 = 6,113,475.20/x - Step 3: Cross multiply
8,853,348.80x = 13,280,023.20 × 6,113,475.20 - Step 4: Simplify right side
8,853,348.80x = 81,187,092,488,624.64 - Step 5: Solve for x
x = 81,187,092,488,624.64/8,853,348.80 - Step 6: Final answer
x = 9,170,212.80
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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.