Finding the Fourth Proportional to 27,643,900.08, 38,149,391.58 and 15,085,763.93
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Solution
The fourth proportional to 27,643,900.08, 38,149,391.58 and 15,085,763.93 is: 20,818,795.96
Step by Step Solution
- Step 1: Write the proportion equation
27,643,900.08 : 38,149,391.58 = 15,085,763.93 : x - Step 2: Convert to fraction form
27,643,900.08/38,149,391.58 = 15,085,763.93/x - Step 3: Cross multiply
27,643,900.08x = 38,149,391.58 × 15,085,763.93 - Step 4: Simplify right side
27,643,900.08x = 575,512,715,487,811.62 - Step 5: Solve for x
x = 575,512,715,487,811.62/27,643,900.08 - Step 6: Final answer
x = 20,818,795.96
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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.