Finding the Fourth Proportional to 15,138,807.16, 22,707,996.86 and 7,047,257.08
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Solution
The fourth proportional to 15,138,807.16, 22,707,996.86 and 7,047,257.08 is: 10,570,786.06
Step by Step Solution
- Step 1: Write the proportion equation
15,138,807.16 : 22,707,996.86 = 7,047,257.08 : x - Step 2: Convert to fraction form
15,138,807.16/22,707,996.86 = 7,047,257.08/x - Step 3: Cross multiply
15,138,807.16x = 22,707,996.86 × 7,047,257.08 - Step 4: Simplify right side
15,138,807.16x = 160,029,091,644,252.78 - Step 5: Solve for x
x = 160,029,091,644,252.78/15,138,807.16 - Step 6: Final answer
x = 10,570,786.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.