Finding the Fourth Proportional to 23,609,663.99, 32,580,476.13 and 13,155,140.15
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Solution
The fourth proportional to 23,609,663.99, 32,580,476.13 and 13,155,140.15 is: 18,153,614.12
Step by Step Solution
- Step 1: Write the proportion equation
23,609,663.99 : 32,580,476.13 = 13,155,140.15 : x - Step 2: Convert to fraction form
23,609,663.99/32,580,476.13 = 13,155,140.15/x - Step 3: Cross multiply
23,609,663.99x = 32,580,476.13 × 13,155,140.15 - Step 4: Simplify right side
23,609,663.99x = 428,600,729,643,879.62 - Step 5: Solve for x
x = 428,600,729,643,879.62/23,609,663.99 - Step 6: Final answer
x = 18,153,614.12
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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.