Finding the Fourth Proportional to 12,282,864.36, 18,440,261.64 and 9,444,968.88
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Solution
The fourth proportional to 12,282,864.36, 18,440,261.64 and 9,444,968.88 is: 14,179,729.76
Step by Step Solution
- Step 1: Write the proportion equation
12,282,864.36 : 18,440,261.64 = 9,444,968.88 : x - Step 2: Convert to fraction form
12,282,864.36/18,440,261.64 = 9,444,968.88/x - Step 3: Cross multiply
12,282,864.36x = 18,440,261.64 × 9,444,968.88 - Step 4: Simplify right side
12,282,864.36x = 174,167,697,328,857.78 - Step 5: Solve for x
x = 174,167,697,328,857.78/12,282,864.36 - Step 6: Final answer
x = 14,179,729.76
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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.