Finding the Fourth Proportional to 22,958,475.95, 31,681,501.08 and 14,256,461.72
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Solution
The fourth proportional to 22,958,475.95, 31,681,501.08 and 14,256,461.72 is: 19,673,174.66
Step by Step Solution
- Step 1: Write the proportion equation
22,958,475.95 : 31,681,501.08 = 14,256,461.72 : x - Step 2: Convert to fraction form
22,958,475.95/31,681,501.08 = 14,256,461.72/x - Step 3: Cross multiply
22,958,475.95x = 31,681,501.08 × 14,256,461.72 - Step 4: Simplify right side
22,958,475.95x = 451,666,107,379,158.62 - Step 5: Solve for x
x = 451,666,107,379,158.62/22,958,475.95 - Step 6: Final answer
x = 19,673,174.66
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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.