Finding the Fourth Proportional to 11,886,232.60, 16,403,061.50 and 6,730,598.80
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Solution
The fourth proportional to 11,886,232.60, 16,403,061.50 and 6,730,598.80 is: 9,288,260.61
Step by Step Solution
- Step 1: Write the proportion equation
11,886,232.60 : 16,403,061.50 = 6,730,598.80 : x - Step 2: Convert to fraction form
11,886,232.60/16,403,061.50 = 6,730,598.80/x - Step 3: Cross multiply
11,886,232.60x = 16,403,061.50 × 6,730,598.80 - Step 4: Simplify right side
11,886,232.60x = 110,402,426,048,226.20 - Step 5: Solve for x
x = 110,402,426,048,226.20/11,886,232.60 - Step 6: Final answer
x = 9,288,260.61
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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.