Finding the Fourth Proportional to 13,712,218.08, 20,553,825.26 and 5,070,765.99
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Solution
The fourth proportional to 13,712,218.08, 20,553,825.26 and 5,070,765.99 is: 7,600,786.21
Step by Step Solution
- Step 1: Write the proportion equation
13,712,218.08 : 20,553,825.26 = 5,070,765.99 : x - Step 2: Convert to fraction form
13,712,218.08/20,553,825.26 = 5,070,765.99/x - Step 3: Cross multiply
13,712,218.08x = 20,553,825.26 × 5,070,765.99 - Step 4: Simplify right side
13,712,218.08x = 104,223,638,092,810.92 - Step 5: Solve for x
x = 104,223,638,092,810.92/13,712,218.08 - Step 6: Final answer
x = 7,600,786.21
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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.