Finding the Fourth Proportional to 7,475,487.05, 10,316,179.44 and 4,037,728.08
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Solution
The fourth proportional to 7,475,487.05, 10,316,179.44 and 4,037,728.08 is: 5,572,068.70
Step by Step Solution
- Step 1: Write the proportion equation
7,475,487.05 : 10,316,179.44 = 4,037,728.08 : x - Step 2: Convert to fraction form
7,475,487.05/10,316,179.44 = 4,037,728.08/x - Step 3: Cross multiply
7,475,487.05x = 10,316,179.44 × 4,037,728.08 - Step 4: Simplify right side
7,475,487.05x = 41,653,927,383,863.84 - Step 5: Solve for x
x = 41,653,927,383,863.84/7,475,487.05 - Step 6: Final answer
x = 5,572,068.70
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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.