Finding the Fourth Proportional to 18,565,843.47, 27,842,458.95 and 6,432,475.11
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Solution
The fourth proportional to 18,565,843.47, 27,842,458.95 and 6,432,475.11 is: 9,646,527.75
Step by Step Solution
- Step 1: Write the proportion equation
18,565,843.47 : 27,842,458.95 = 6,432,475.11 : x - Step 2: Convert to fraction form
18,565,843.47/27,842,458.95 = 6,432,475.11/x - Step 3: Cross multiply
18,565,843.47x = 27,842,458.95 × 6,432,475.11 - Step 4: Simplify right side
18,565,843.47x = 179,095,924,197,071.75 - Step 5: Solve for x
x = 179,095,924,197,071.75/18,565,843.47 - Step 6: Final answer
x = 9,646,527.75
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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.