Finding the Fourth Proportional to 40,767,389.28, 61,153,226.64 and 10,475,457.12
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Solution
The fourth proportional to 40,767,389.28, 61,153,226.64 and 10,475,457.12 is: 15,713,736.27
Step by Step Solution
- Step 1: Write the proportion equation
40,767,389.28 : 61,153,226.64 = 10,475,457.12 : x - Step 2: Convert to fraction form
40,767,389.28/61,153,226.64 = 10,475,457.12/x - Step 3: Cross multiply
40,767,389.28x = 61,153,226.64 × 10,475,457.12 - Step 4: Simplify right side
40,767,389.28x = 640,608,003,416,961.62 - Step 5: Solve for x
x = 640,608,003,416,961.62/40,767,389.28 - Step 6: Final answer
x = 15,713,736.27
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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.