Finding the Fourth Proportional to 9,866,916.16, 14,793,638.94 and 5,256,591.68
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Solution
The fourth proportional to 9,866,916.16, 14,793,638.94 and 5,256,591.68 is: 7,881,299.29
Step by Step Solution
- Step 1: Write the proportion equation
9,866,916.16 : 14,793,638.94 = 5,256,591.68 : x - Step 2: Convert to fraction form
9,866,916.16/14,793,638.94 = 5,256,591.68/x - Step 3: Cross multiply
9,866,916.16x = 14,793,638.94 × 5,256,591.68 - Step 4: Simplify right side
9,866,916.16x = 77,764,119,368,928.02 - Step 5: Solve for x
x = 77,764,119,368,928.02/9,866,916.16 - Step 6: Final answer
x = 7,881,299.29
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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.