Finding the Fourth Proportional to 20,584,265.88, 30,837,425.94 and 13,740,202.20
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Solution
The fourth proportional to 20,584,265.88, 30,837,425.94 and 13,740,202.20 is: 20,584,288.51
Step by Step Solution
- Step 1: Write the proportion equation
20,584,265.88 : 30,837,425.94 = 13,740,202.20 : x - Step 2: Convert to fraction form
20,584,265.88/30,837,425.94 = 13,740,202.20/x - Step 3: Cross multiply
20,584,265.88x = 30,837,425.94 × 13,740,202.20 - Step 4: Simplify right side
20,584,265.88x = 423,712,467,743,125.06 - Step 5: Solve for x
x = 423,712,467,743,125.06/20,584,265.88 - Step 6: Final answer
x = 20,584,288.51
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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.