Finding the Fourth Proportional to 18,128,283.06, 27,193,328.16 and 5,176,354.71
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Solution
The fourth proportional to 18,128,283.06, 27,193,328.16 and 5,176,354.71 is: 7,764,790.07
Step by Step Solution
- Step 1: Write the proportion equation
18,128,283.06 : 27,193,328.16 = 5,176,354.71 : x - Step 2: Convert to fraction form
18,128,283.06/27,193,328.16 = 5,176,354.71/x - Step 3: Cross multiply
18,128,283.06x = 27,193,328.16 × 5,176,354.71 - Step 4: Simplify right side
18,128,283.06x = 140,762,312,301,591.62 - Step 5: Solve for x
x = 140,762,312,301,591.62/18,128,283.06 - Step 6: Final answer
x = 7,764,790.07
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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.