Finding the Fourth Proportional to 13,007,352.54, 19,523,129.13 and 6,622,381.02
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Solution
The fourth proportional to 13,007,352.54, 19,523,129.13 and 6,622,381.02 is: 9,939,732.12
Step by Step Solution
- Step 1: Write the proportion equation
13,007,352.54 : 19,523,129.13 = 6,622,381.02 : x - Step 2: Convert to fraction form
13,007,352.54/19,523,129.13 = 6,622,381.02/x - Step 3: Cross multiply
13,007,352.54x = 19,523,129.13 × 6,622,381.02 - Step 4: Simplify right side
13,007,352.54x = 129,289,599,801,521.09 - Step 5: Solve for x
x = 129,289,599,801,521.09/13,007,352.54 - Step 6: Final answer
x = 9,939,732.12
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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.