Finding the Fourth Proportional to 12,744,985.99, 19,117,497.74 and 9,729,473.71
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Solution
The fourth proportional to 12,744,985.99, 19,117,497.74 and 9,729,473.71 is: 14,594,224.88
Step by Step Solution
- Step 1: Write the proportion equation
12,744,985.99 : 19,117,497.74 = 9,729,473.71 : x - Step 2: Convert to fraction form
12,744,985.99/19,117,497.74 = 9,729,473.71/x - Step 3: Cross multiply
12,744,985.99x = 19,117,497.74 × 9,729,473.71 - Step 4: Simplify right side
12,744,985.99x = 186,003,191,591,050.62 - Step 5: Solve for x
x = 186,003,191,591,050.62/12,744,985.99 - Step 6: Final answer
x = 14,594,224.88
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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.