Finding the Fourth Proportional to 40,386,451.80, 60,580,023.30 and 13,460,107.80
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Solution
The fourth proportional to 40,386,451.80, 60,580,023.30 and 13,460,107.80 is: 20,190,276.88
Step by Step Solution
- Step 1: Write the proportion equation
40,386,451.80 : 60,580,023.30 = 13,460,107.80 : x - Step 2: Convert to fraction form
40,386,451.80/60,580,023.30 = 13,460,107.80/x - Step 3: Cross multiply
40,386,451.80x = 60,580,023.30 × 13,460,107.80 - Step 4: Simplify right side
40,386,451.80x = 815,413,644,144,511.75 - Step 5: Solve for x
x = 815,413,644,144,511.75/40,386,451.80 - Step 6: Final answer
x = 20,190,276.88
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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.