Finding the Fourth Proportional to 26,631,532.96, 39,958,807.69 and 14,321,107.81
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Solution
The fourth proportional to 26,631,532.96, 39,958,807.69 and 14,321,107.81 is: 21,487,850.28
Step by Step Solution
- Step 1: Write the proportion equation
26,631,532.96 : 39,958,807.69 = 14,321,107.81 : x - Step 2: Convert to fraction form
26,631,532.96/39,958,807.69 = 14,321,107.81/x - Step 3: Cross multiply
26,631,532.96x = 39,958,807.69 × 14,321,107.81 - Step 4: Simplify right side
26,631,532.96x = 572,254,392,887,547 - Step 5: Solve for x
x = 572,254,392,887,547/26,631,532.96 - Step 6: Final answer
x = 21,487,850.28
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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.