Finding the Fourth Proportional to 34,530,187.20, 47,651,650.88 and 19,060,267.84
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Solution
The fourth proportional to 34,530,187.20, 47,651,650.88 and 19,060,267.84 is: 26,303,165.50
Step by Step Solution
- Step 1: Write the proportion equation
34,530,187.20 : 47,651,650.88 = 19,060,267.84 : x - Step 2: Convert to fraction form
34,530,187.20/47,651,650.88 = 19,060,267.84/x - Step 3: Cross multiply
34,530,187.20x = 47,651,650.88 × 19,060,267.84 - Step 4: Simplify right side
34,530,187.20x = 908,253,228,790,971.75 - Step 5: Solve for x
x = 908,253,228,790,971.75/34,530,187.20 - Step 6: Final answer
x = 26,303,165.50
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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.