Finding the Fourth Proportional to 18,961,842.36, 26,167,270.14 and 10,260,031.80
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Solution
The fourth proportional to 18,961,842.36, 26,167,270.14 and 10,260,031.80 is: 14,158,804.75
Step by Step Solution
- Step 1: Write the proportion equation
18,961,842.36 : 26,167,270.14 = 10,260,031.80 : x - Step 2: Convert to fraction form
18,961,842.36/26,167,270.14 = 10,260,031.80/x - Step 3: Cross multiply
18,961,842.36x = 26,167,270.14 × 10,260,031.80 - Step 4: Simplify right side
18,961,842.36x = 268,477,023,755,590.47 - Step 5: Solve for x
x = 268,477,023,755,590.47/18,961,842.36 - Step 6: Final answer
x = 14,158,804.75
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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.