Finding the Fourth Proportional to 35,832,129.20, 53,748,193.80 and 19,651,828.40
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Solution
The fourth proportional to 35,832,129.20, 53,748,193.80 and 19,651,828.40 is: 29,477,742.60
Step by Step Solution
- Step 1: Write the proportion equation
35,832,129.20 : 53,748,193.80 = 19,651,828.40 : x - Step 2: Convert to fraction form
35,832,129.20/53,748,193.80 = 19,651,828.40/x - Step 3: Cross multiply
35,832,129.20x = 53,748,193.80 × 19,651,828.40 - Step 4: Simplify right side
35,832,129.20x = 1,056,250,281,367,543.75 - Step 5: Solve for x
x = 1,056,250,281,367,543.75/35,832,129.20 - Step 6: Final answer
x = 29,477,742.60
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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.