Finding the Fourth Proportional to 8,947,641.99, 12,343,817.20 and 6,045,974.13
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Solution
The fourth proportional to 8,947,641.99, 12,343,817.20 and 6,045,974.13 is: 8,340,789.62
Step by Step Solution
- Step 1: Write the proportion equation
8,947,641.99 : 12,343,817.20 = 6,045,974.13 : x - Step 2: Convert to fraction form
8,947,641.99/12,343,817.20 = 6,045,974.13/x - Step 3: Cross multiply
8,947,641.99x = 12,343,817.20 × 6,045,974.13 - Step 4: Simplify right side
8,947,641.99x = 74,630,399,456,649.03 - Step 5: Solve for x
x = 74,630,399,456,649.03/8,947,641.99 - Step 6: Final answer
x = 8,340,789.62
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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.