Finding the Fourth Proportional to 19,100,979.68, 28,633,458.34 and 9,507,288.66
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Solution
The fourth proportional to 19,100,979.68, 28,633,458.34 and 9,507,288.66 is: 14,251,968.14
Step by Step Solution
- Step 1: Write the proportion equation
19,100,979.68 : 28,633,458.34 = 9,507,288.66 : x - Step 2: Convert to fraction form
19,100,979.68/28,633,458.34 = 9,507,288.66/x - Step 3: Cross multiply
19,100,979.68x = 28,633,458.34 × 9,507,288.66 - Step 4: Simplify right side
19,100,979.68x = 272,226,553,772,464.44 - Step 5: Solve for x
x = 272,226,553,772,464.44/19,100,979.68 - Step 6: Final answer
x = 14,251,968.14
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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.