Finding the Fourth Proportional to 7,718,011.56, 11,583,956.16 and 4,126,848.12
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Solution
The fourth proportional to 7,718,011.56, 11,583,956.16 and 4,126,848.12 is: 6,193,982.39
Step by Step Solution
- Step 1: Write the proportion equation
7,718,011.56 : 11,583,956.16 = 4,126,848.12 : x - Step 2: Convert to fraction form
7,718,011.56/11,583,956.16 = 4,126,848.12/x - Step 3: Cross multiply
7,718,011.56x = 11,583,956.16 × 4,126,848.12 - Step 4: Simplify right side
7,718,011.56x = 47,805,227,701,058.42 - Step 5: Solve for x
x = 47,805,227,701,058.42/7,718,011.56 - Step 6: Final answer
x = 6,193,982.39
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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.