Finding the Fourth Proportional to 15,435,497.99, 23,132,674.05 and 8,147,244.42
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Solution
The fourth proportional to 15,435,497.99, 23,132,674.05 and 8,147,244.42 is: 12,210,007.72
Step by Step Solution
- Step 1: Write the proportion equation
15,435,497.99 : 23,132,674.05 = 8,147,244.42 : x - Step 2: Convert to fraction form
15,435,497.99/23,132,674.05 = 8,147,244.42/x - Step 3: Cross multiply
15,435,497.99x = 23,132,674.05 × 8,147,244.42 - Step 4: Simplify right side
15,435,497.99x = 188,467,549,573,541.31 - Step 5: Solve for x
x = 188,467,549,573,541.31/15,435,497.99 - Step 6: Final answer
x = 12,210,007.72
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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.