Finding the Fourth Proportional to 21,553,954.92, 32,313,762 and 12,445,712.28
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Solution
The fourth proportional to 21,553,954.92, 32,313,762 and 12,445,712.28 is: 18,658,653.88
Step by Step Solution
- Step 1: Write the proportion equation
21,553,954.92 : 32,313,762 = 12,445,712.28 : x - Step 2: Convert to fraction form
21,553,954.92/32,313,762 = 12,445,712.28/x - Step 3: Cross multiply
21,553,954.92x = 32,313,762 × 12,445,712.28 - Step 4: Simplify right side
21,553,954.92x = 402,167,784,536,397.31 - Step 5: Solve for x
x = 402,167,784,536,397.31/21,553,954.92 - Step 6: Final answer
x = 18,658,653.88
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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.