Finding the Fourth Proportional to 47,291,218.12, 65,262,605.34 and 27,707,420.44
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Solution
The fourth proportional to 47,291,218.12, 65,262,605.34 and 27,707,420.44 is: 38,236,664.59
Step by Step Solution
- Step 1: Write the proportion equation
47,291,218.12 : 65,262,605.34 = 27,707,420.44 : x - Step 2: Convert to fraction form
47,291,218.12/65,262,605.34 = 27,707,420.44/x - Step 3: Cross multiply
47,291,218.12x = 65,262,605.34 × 27,707,420.44 - Step 4: Simplify right side
47,291,218.12x = 1,808,258,445,165,169.25 - Step 5: Solve for x
x = 1,808,258,445,165,169.25/47,291,218.12 - Step 6: Final answer
x = 38,236,664.59
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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.