Finding the Fourth Proportional to 20,890,517.76, 31,329,141.12 and 6,703,776
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Solution
The fourth proportional to 20,890,517.76, 31,329,141.12 and 6,703,776 is: 10,053,534.66
Step by Step Solution
- Step 1: Write the proportion equation
20,890,517.76 : 31,329,141.12 = 6,703,776 : x - Step 2: Convert to fraction form
20,890,517.76/31,329,141.12 = 6,703,776/x - Step 3: Cross multiply
20,890,517.76x = 31,329,141.12 × 6,703,776 - Step 4: Simplify right side
20,890,517.76x = 210,023,544,340,869.12 - Step 5: Solve for x
x = 210,023,544,340,869.12/20,890,517.76 - Step 6: Final answer
x = 10,053,534.66
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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.