Finding the Fourth Proportional to 16,991,721.36, 25,478,134.20 and 5,625,969.84
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Solution
The fourth proportional to 16,991,721.36, 25,478,134.20 and 5,625,969.84 is: 8,435,826.57
Step by Step Solution
- Step 1: Write the proportion equation
16,991,721.36 : 25,478,134.20 = 5,625,969.84 : x - Step 2: Convert to fraction form
16,991,721.36/25,478,134.20 = 5,625,969.84/x - Step 3: Cross multiply
16,991,721.36x = 25,478,134.20 × 5,625,969.84 - Step 4: Simplify right side
16,991,721.36x = 143,339,214,588,672.53 - Step 5: Solve for x
x = 143,339,214,588,672.53/16,991,721.36 - Step 6: Final answer
x = 8,435,826.57
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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.