Finding the Fourth Proportional to 16,860,819.96, 25,291,295.10 and 4,081,303.80
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Solution
The fourth proportional to 16,860,819.96, 25,291,295.10 and 4,081,303.80 is: 6,121,971.47
Step by Step Solution
- Step 1: Write the proportion equation
16,860,819.96 : 25,291,295.10 = 4,081,303.80 : x - Step 2: Convert to fraction form
16,860,819.96/25,291,295.10 = 4,081,303.80/x - Step 3: Cross multiply
16,860,819.96x = 25,291,295.10 × 4,081,303.80 - Step 4: Simplify right side
16,860,819.96x = 103,221,458,798,551.38 - Step 5: Solve for x
x = 103,221,458,798,551.38/16,860,819.96 - Step 6: Final answer
x = 6,121,971.47
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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.