Finding the Fourth Proportional to 28,405,539.11, 39,199,626.86 and 15,352,798.03
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Solution
The fourth proportional to 28,405,539.11, 39,199,626.86 and 15,352,798.03 is: 21,186,852.02
Step by Step Solution
- Step 1: Write the proportion equation
28,405,539.11 : 39,199,626.86 = 15,352,798.03 : x - Step 2: Convert to fraction form
28,405,539.11/39,199,626.86 = 15,352,798.03/x - Step 3: Cross multiply
28,405,539.11x = 39,199,626.86 × 15,352,798.03 - Step 4: Simplify right side
28,405,539.11x = 601,823,953,858,180 - Step 5: Solve for x
x = 601,823,953,858,180/28,405,539.11 - Step 6: Final answer
x = 21,186,852.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.