Finding the Fourth Proportional to 20,754,282.33, 31,128,230.81 and 6,921,484.09
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Solution
The fourth proportional to 20,754,282.33, 31,128,230.81 and 6,921,484.09 is: 10,381,161.39
Step by Step Solution
- Step 1: Write the proportion equation
20,754,282.33 : 31,128,230.81 = 6,921,484.09 : x - Step 2: Convert to fraction form
20,754,282.33/31,128,230.81 = 6,921,484.09/x - Step 3: Cross multiply
20,754,282.33x = 31,128,230.81 × 6,921,484.09 - Step 4: Simplify right side
20,754,282.33x = 215,453,554,301,262.81 - Step 5: Solve for x
x = 215,453,554,301,262.81/20,754,282.33 - Step 6: Final answer
x = 10,381,161.39
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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.