Finding the Fourth Proportional to 16,881,963.18, 25,296,389.73 and 13,053,138.54
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Solution
The fourth proportional to 16,881,963.18, 25,296,389.73 and 13,053,138.54 is: 19,559,175.45
Step by Step Solution
- Step 1: Write the proportion equation
16,881,963.18 : 25,296,389.73 = 13,053,138.54 : x - Step 2: Convert to fraction form
16,881,963.18/25,296,389.73 = 13,053,138.54/x - Step 3: Cross multiply
16,881,963.18x = 25,296,389.73 × 13,053,138.54 - Step 4: Simplify right side
16,881,963.18x = 330,197,279,707,523.19 - Step 5: Solve for x
x = 330,197,279,707,523.19/16,881,963.18 - Step 6: Final answer
x = 19,559,175.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.