Finding the Fourth Proportional to 11,386,834.79, 15,713,441.19 and 6,493,631.77
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Solution
The fourth proportional to 11,386,834.79, 15,713,441.19 and 6,493,631.77 is: 8,960,988.97
Step by Step Solution
- Step 1: Write the proportion equation
11,386,834.79 : 15,713,441.19 = 6,493,631.77 : x - Step 2: Convert to fraction form
11,386,834.79/15,713,441.19 = 6,493,631.77/x - Step 3: Cross multiply
11,386,834.79x = 15,713,441.19 × 6,493,631.77 - Step 4: Simplify right side
11,386,834.79x = 102,037,300,927,410.59 - Step 5: Solve for x
x = 102,037,300,927,410.59/11,386,834.79 - Step 6: Final answer
x = 8,960,988.97
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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.