Finding the Fourth Proportional to 34,987,960.13, 48,292,988.13 and 20,308,355.74
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Solution
The fourth proportional to 34,987,960.13, 48,292,988.13 and 20,308,355.74 is: 28,031,104.96
Step by Step Solution
- Step 1: Write the proportion equation
34,987,960.13 : 48,292,988.13 = 20,308,355.74 : x - Step 2: Convert to fraction form
34,987,960.13/48,292,988.13 = 20,308,355.74/x - Step 3: Cross multiply
34,987,960.13x = 48,292,988.13 × 20,308,355.74 - Step 4: Simplify right side
34,987,960.13x = 980,751,182,752,003.75 - Step 5: Solve for x
x = 980,751,182,752,003.75/34,987,960.13 - Step 6: Final answer
x = 28,031,104.96
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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.