Finding the Fourth Proportional to 8,027,123.08, 11,077,371.84 and 4,355,947.12
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Solution
The fourth proportional to 8,027,123.08, 11,077,371.84 and 4,355,947.12 is: 6,011,175.55
Step by Step Solution
- Step 1: Write the proportion equation
8,027,123.08 : 11,077,371.84 = 4,355,947.12 : x - Step 2: Convert to fraction form
8,027,123.08/11,077,371.84 = 4,355,947.12/x - Step 3: Cross multiply
8,027,123.08x = 11,077,371.84 × 4,355,947.12 - Step 4: Simplify right side
8,027,123.08x = 48,252,445,963,617.10 - Step 5: Solve for x
x = 48,252,445,963,617.10/8,027,123.08 - Step 6: Final answer
x = 6,011,175.55
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1.5x scale
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.