Finding the Fourth Proportional to 13,121,291.50, 19,679,693.88 and 3,534,427.96
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Solution
The fourth proportional to 13,121,291.50, 19,679,693.88 and 3,534,427.96 is: 5,301,037.65
Step by Step Solution
- Step 1: Write the proportion equation
13,121,291.50 : 19,679,693.88 = 3,534,427.96 : x - Step 2: Convert to fraction form
13,121,291.50/19,679,693.88 = 3,534,427.96/x - Step 3: Cross multiply
13,121,291.50x = 19,679,693.88 × 3,534,427.96 - Step 4: Simplify right side
13,121,291.50x = 69,556,460,293,712.88 - Step 5: Solve for x
x = 69,556,460,293,712.88/13,121,291.50 - Step 6: Final answer
x = 5,301,037.65
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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.