Finding the Fourth Proportional to 8,657,275.08, 11,947,391.28 and 4,789,733.25
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Solution
The fourth proportional to 8,657,275.08, 11,947,391.28 and 4,789,733.25 is: 6,610,026.45
Step by Step Solution
- Step 1: Write the proportion equation
8,657,275.08 : 11,947,391.28 = 4,789,733.25 : x - Step 2: Convert to fraction form
8,657,275.08/11,947,391.28 = 4,789,733.25/x - Step 3: Cross multiply
8,657,275.08x = 11,947,391.28 × 4,789,733.25 - Step 4: Simplify right side
8,657,275.08x = 57,224,817,264,576.05 - Step 5: Solve for x
x = 57,224,817,264,576.05/8,657,275.08 - Step 6: Final answer
x = 6,610,026.45
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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.