Finding the Fourth Proportional to 18,127,807.04, 27,181,771.74 and 7,186,913.08
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Solution
The fourth proportional to 18,127,807.04, 27,181,771.74 and 7,186,913.08 is: 10,776,429.30
Step by Step Solution
- Step 1: Write the proportion equation
18,127,807.04 : 27,181,771.74 = 7,186,913.08 : x - Step 2: Convert to fraction form
18,127,807.04/27,181,771.74 = 7,186,913.08/x - Step 3: Cross multiply
18,127,807.04x = 27,181,771.74 × 7,186,913.08 - Step 4: Simplify right side
18,127,807.04x = 195,353,030,855,780.34 - Step 5: Solve for x
x = 195,353,030,855,780.34/18,127,807.04 - Step 6: Final answer
x = 10,776,429.30
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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.