Finding the Fourth Proportional to 19,207,331.70, 28,806,869.57 and 6,077,790.01
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Solution
The fourth proportional to 19,207,331.70, 28,806,869.57 and 6,077,790.01 is: 9,115,378.79
Step by Step Solution
- Step 1: Write the proportion equation
19,207,331.70 : 28,806,869.57 = 6,077,790.01 : x - Step 2: Convert to fraction form
19,207,331.70/28,806,869.57 = 6,077,790.01/x - Step 3: Cross multiply
19,207,331.70x = 28,806,869.57 × 6,077,790.01 - Step 4: Simplify right side
19,207,331.70x = 175,082,103,947,884.66 - Step 5: Solve for x
x = 175,082,103,947,884.66/19,207,331.70 - Step 6: Final answer
x = 9,115,378.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.