Finding the Fourth Proportional to 8,163,029.64, 11,280,517.14 and 6,122,296.20
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Solution
The fourth proportional to 8,163,029.64, 11,280,517.14 and 6,122,296.20 is: 8,460,420.98
Step by Step Solution
- Step 1: Write the proportion equation
8,163,029.64 : 11,280,517.14 = 6,122,296.20 : x - Step 2: Convert to fraction form
8,163,029.64/11,280,517.14 = 6,122,296.20/x - Step 3: Cross multiply
8,163,029.64x = 11,280,517.14 × 6,122,296.20 - Step 4: Simplify right side
8,163,029.64x = 69,062,667,220,256.88 - Step 5: Solve for x
x = 69,062,667,220,256.88/8,163,029.64 - Step 6: Final answer
x = 8,460,420.98
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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.