Finding the Fourth Proportional to 27,925,558.26, 38,537,619.05 and 15,368,057.65
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Solution
The fourth proportional to 27,925,558.26, 38,537,619.05 and 15,368,057.65 is: 21,208,111.43
Step by Step Solution
- Step 1: Write the proportion equation
27,925,558.26 : 38,537,619.05 = 15,368,057.65 : x - Step 2: Convert to fraction form
27,925,558.26/38,537,619.05 = 15,368,057.65/x - Step 3: Cross multiply
27,925,558.26x = 38,537,619.05 × 15,368,057.65 - Step 4: Simplify right side
27,925,558.26x = 592,248,351,177,298 - Step 5: Solve for x
x = 592,248,351,177,298/27,925,558.26 - Step 6: Final answer
x = 21,208,111.43
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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.