Finding the Fourth Proportional to 11,922,417.09, 16,453,332.56 and 6,696,344.80
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Solution
The fourth proportional to 11,922,417.09, 16,453,332.56 and 6,696,344.80 is: 9,241,178.79
Step by Step Solution
- Step 1: Write the proportion equation
11,922,417.09 : 16,453,332.56 = 6,696,344.80 : x - Step 2: Convert to fraction form
11,922,417.09/16,453,332.56 = 6,696,344.80/x - Step 3: Cross multiply
11,922,417.09x = 16,453,332.56 × 6,696,344.80 - Step 4: Simplify right side
11,922,417.09x = 110,177,187,930,826.69 - Step 5: Solve for x
x = 110,177,187,930,826.69/11,922,417.09 - Step 6: Final answer
x = 9,241,178.79
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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.