Finding the Fourth Proportional to 30,881,811.60, 46,291,224.60 and 18,095,734.80
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Solution
The fourth proportional to 30,881,811.60, 46,291,224.60 and 18,095,734.80 is: 27,125,148.45
Step by Step Solution
- Step 1: Write the proportion equation
30,881,811.60 : 46,291,224.60 = 18,095,734.80 : x - Step 2: Convert to fraction form
30,881,811.60/46,291,224.60 = 18,095,734.80/x - Step 3: Cross multiply
30,881,811.60x = 46,291,224.60 × 18,095,734.80 - Step 4: Simplify right side
30,881,811.60x = 837,673,723,928,836.12 - Step 5: Solve for x
x = 837,673,723,928,836.12/30,881,811.60 - Step 6: Final answer
x = 27,125,148.45
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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.