Finding the Fourth Proportional to 26,931,736.05, 37,166,033.57 and 15,330,046.65
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Solution
The fourth proportional to 26,931,736.05, 37,166,033.57 and 15,330,046.65 is: 21,155,599.75
Step by Step Solution
- Step 1: Write the proportion equation
26,931,736.05 : 37,166,033.57 = 15,330,046.65 : x - Step 2: Convert to fraction form
26,931,736.05/37,166,033.57 = 15,330,046.65/x - Step 3: Cross multiply
26,931,736.05x = 37,166,033.57 × 15,330,046.65 - Step 4: Simplify right side
26,931,736.05x = 569,757,028,346,915.75 - Step 5: Solve for x
x = 569,757,028,346,915.75/26,931,736.05 - Step 6: Final answer
x = 21,155,599.75
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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.