Finding the Fourth Proportional to 20,743,695.12, 31,115,292.34 and 5,389,626
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Solution
The fourth proportional to 20,743,695.12, 31,115,292.34 and 5,389,626 is: 8,084,373.96
Step by Step Solution
- Step 1: Write the proportion equation
20,743,695.12 : 31,115,292.34 = 5,389,626 : x - Step 2: Convert to fraction form
20,743,695.12/31,115,292.34 = 5,389,626/x - Step 3: Cross multiply
20,743,695.12x = 31,115,292.34 × 5,389,626 - Step 4: Simplify right side
20,743,695.12x = 167,699,788,593,264.84 - Step 5: Solve for x
x = 167,699,788,593,264.84/20,743,695.12 - Step 6: Final answer
x = 8,084,373.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.