Finding the Fourth Proportional to 6,910,027.20, 10,365,040.80 and 6,112,865.70
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Solution
The fourth proportional to 6,910,027.20, 10,365,040.80 and 6,112,865.70 is: 9,169,298.55
Step by Step Solution
- Step 1: Write the proportion equation
6,910,027.20 : 10,365,040.80 = 6,112,865.70 : x - Step 2: Convert to fraction form
6,910,027.20/10,365,040.80 = 6,112,865.70/x - Step 3: Cross multiply
6,910,027.20x = 10,365,040.80 × 6,112,865.70 - Step 4: Simplify right side
6,910,027.20x = 63,360,102,385,420.57 - Step 5: Solve for x
x = 63,360,102,385,420.57/6,910,027.20 - Step 6: Final answer
x = 9,169,298.55
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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.