Finding the Fourth Proportional to 26,631,531.21, 39,958,805.06 and 14,321,106.06
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Solution
The fourth proportional to 26,631,531.21, 39,958,805.06 and 14,321,106.06 is: 21,487,847.65
Step by Step Solution
- Step 1: Write the proportion equation
26,631,531.21 : 39,958,805.06 = 14,321,106.06 : x - Step 2: Convert to fraction form
26,631,531.21/39,958,805.06 = 14,321,106.06/x - Step 3: Cross multiply
26,631,531.21x = 39,958,805.06 × 14,321,106.06 - Step 4: Simplify right side
26,631,531.21x = 572,254,285,295,124.75 - Step 5: Solve for x
x = 572,254,285,295,124.75/26,631,531.21 - Step 6: Final answer
x = 21,487,847.65
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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.