Finding the Fourth Proportional to 10,977,834.84, 15,144,444.09 and 6,625,529.88
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Solution
The fourth proportional to 10,977,834.84, 15,144,444.09 and 6,625,529.88 is: 9,140,232.87
Step by Step Solution
- Step 1: Write the proportion equation
10,977,834.84 : 15,144,444.09 = 6,625,529.88 : x - Step 2: Convert to fraction form
10,977,834.84/15,144,444.09 = 6,625,529.88/x - Step 3: Cross multiply
10,977,834.84x = 15,144,444.09 × 6,625,529.88 - Step 4: Simplify right side
10,977,834.84x = 100,339,966,834,284.41 - Step 5: Solve for x
x = 100,339,966,834,284.41/10,977,834.84 - Step 6: Final answer
x = 9,140,232.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.