Finding the Fourth Proportional to 13,187,491.09, 19,779,440.95 and 3,471,290.40
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Solution
The fourth proportional to 13,187,491.09, 19,779,440.95 and 3,471,290.40 is: 5,206,462.92
Step by Step Solution
- Step 1: Write the proportion equation
13,187,491.09 : 19,779,440.95 = 3,471,290.40 : x - Step 2: Convert to fraction form
13,187,491.09/19,779,440.95 = 3,471,290.40/x - Step 3: Cross multiply
13,187,491.09x = 19,779,440.95 × 3,471,290.40 - Step 4: Simplify right side
13,187,491.09x = 68,660,183,420,296.83 - Step 5: Solve for x
x = 68,660,183,420,296.83/13,187,491.09 - Step 6: Final answer
x = 5,206,462.92
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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.