Finding the Fourth Proportional to 34,660,308.62, 47,832,720.99 and 19,190,393.42
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Solution
The fourth proportional to 34,660,308.62, 47,832,720.99 and 19,190,393.42 is: 26,483,570.71
Step by Step Solution
- Step 1: Write the proportion equation
34,660,308.62 : 47,832,720.99 = 19,190,393.42 : x - Step 2: Convert to fraction form
34,660,308.62/47,832,720.99 = 19,190,393.42/x - Step 3: Cross multiply
34,660,308.62x = 47,832,720.99 × 19,190,393.42 - Step 4: Simplify right side
34,660,308.62x = 917,928,734,147,192 - Step 5: Solve for x
x = 917,928,734,147,192/34,660,308.62 - Step 6: Final answer
x = 26,483,570.71
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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.