Finding the Fourth Proportional to 35,705,993.64, 49,279,657.41 and 21,775,430.58
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Solution
The fourth proportional to 35,705,993.64, 49,279,657.41 and 21,775,430.58 is: 30,053,378.99
Step by Step Solution
- Step 1: Write the proportion equation
35,705,993.64 : 49,279,657.41 = 21,775,430.58 : x - Step 2: Convert to fraction form
35,705,993.64/49,279,657.41 = 21,775,430.58/x - Step 3: Cross multiply
35,705,993.64x = 49,279,657.41 × 21,775,430.58 - Step 4: Simplify right side
35,705,993.64x = 1,073,085,758,937,637.38 - Step 5: Solve for x
x = 1,073,085,758,937,637.38/35,705,993.64 - Step 6: Final answer
x = 30,053,378.99
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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.