Finding the Fourth Proportional to 18,340,527.60, 27,509,916.60 and 6,208,801.20
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Solution
The fourth proportional to 18,340,527.60, 27,509,916.60 and 6,208,801.20 is: 9,312,905.65
Step by Step Solution
- Step 1: Write the proportion equation
18,340,527.60 : 27,509,916.60 = 6,208,801.20 : x - Step 2: Convert to fraction form
18,340,527.60/27,509,916.60 = 6,208,801.20/x - Step 3: Cross multiply
18,340,527.60x = 27,509,916.60 × 6,208,801.20 - Step 4: Simplify right side
18,340,527.60x = 170,803,603,197,979.94 - Step 5: Solve for x
x = 170,803,603,197,979.94/18,340,527.60 - Step 6: Final answer
x = 9,312,905.65
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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.