Finding the Fourth Proportional to 15,181,544.30, 22,772,316.45 and 13,717,129.10
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Solution
The fourth proportional to 15,181,544.30, 22,772,316.45 and 13,717,129.10 is: 20,575,693.65
Step by Step Solution
- Step 1: Write the proportion equation
15,181,544.30 : 22,772,316.45 = 13,717,129.10 : x - Step 2: Convert to fraction form
15,181,544.30/22,772,316.45 = 13,717,129.10/x - Step 3: Cross multiply
15,181,544.30x = 22,772,316.45 × 13,717,129.10 - Step 4: Simplify right side
15,181,544.30x = 312,370,804,650,703.69 - Step 5: Solve for x
x = 312,370,804,650,703.69/15,181,544.30 - Step 6: Final answer
x = 20,575,693.65
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Similar ratio
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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.