Finding the Fourth Proportional to 8,349,747.12, 11,522,455.61 and 4,912,209.18
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Solution
The fourth proportional to 8,349,747.12, 11,522,455.61 and 4,912,209.18 is: 6,778,733.70
Step by Step Solution
- Step 1: Write the proportion equation
8,349,747.12 : 11,522,455.61 = 4,912,209.18 : x - Step 2: Convert to fraction form
8,349,747.12/11,522,455.61 = 4,912,209.18/x - Step 3: Cross multiply
8,349,747.12x = 11,522,455.61 × 4,912,209.18 - Step 4: Simplify right side
8,349,747.12x = 56,600,712,199,023.45 - Step 5: Solve for x
x = 56,600,712,199,023.45/8,349,747.12 - Step 6: Final answer
x = 6,778,733.70
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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.