Finding the Fourth Proportional to 20,750,828.77, 31,124,104.42 and 6,916,292.70
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Solution
The fourth proportional to 20,750,828.77, 31,124,104.42 and 6,916,292.70 is: 10,373,726.21
Step by Step Solution
- Step 1: Write the proportion equation
20,750,828.77 : 31,124,104.42 = 6,916,292.70 : x - Step 2: Convert to fraction form
20,750,828.77/31,124,104.42 = 6,916,292.70/x - Step 3: Cross multiply
20,750,828.77x = 31,124,104.42 × 6,916,292.70 - Step 4: Simplify right side
20,750,828.77x = 215,263,416,194,083.75 - Step 5: Solve for x
x = 215,263,416,194,083.75/20,750,828.77 - Step 6: Final answer
x = 10,373,726.21
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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.