Finding the Fourth Proportional to 12,301,130.54, 18,452,200.14 and 4,219,663.75
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Solution
The fourth proportional to 12,301,130.54, 18,452,200.14 and 4,219,663.75 is: 6,329,668.62
Step by Step Solution
- Step 1: Write the proportion equation
12,301,130.54 : 18,452,200.14 = 4,219,663.75 : x - Step 2: Convert to fraction form
12,301,130.54/18,452,200.14 = 4,219,663.75/x - Step 3: Cross multiply
12,301,130.54x = 18,452,200.14 × 4,219,663.75 - Step 4: Simplify right side
12,301,130.54x = 77,862,079,992,372.42 - Step 5: Solve for x
x = 77,862,079,992,372.42/12,301,130.54 - Step 6: Final answer
x = 6,329,668.62
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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.