Finding the Fourth Proportional to 26,164,805.49, 39,253,419.32 and 8,213,909.49
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Solution
The fourth proportional to 26,164,805.49, 39,253,419.32 and 8,213,909.49 is: 12,322,814.08
Step by Step Solution
- Step 1: Write the proportion equation
26,164,805.49 : 39,253,419.32 = 8,213,909.49 : x - Step 2: Convert to fraction form
26,164,805.49/39,253,419.32 = 8,213,909.49/x - Step 3: Cross multiply
26,164,805.49x = 39,253,419.32 × 8,213,909.49 - Step 4: Simplify right side
26,164,805.49x = 322,424,033,426,427.81 - Step 5: Solve for x
x = 322,424,033,426,427.81/26,164,805.49 - Step 6: Final answer
x = 12,322,814.08
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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.