Finding the Fourth Proportional to 7,912,118.08, 11,873,050.08 and 3,118,991.68
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Solution
The fourth proportional to 7,912,118.08, 11,873,050.08 and 3,118,991.68 is: 4,680,408.46
Step by Step Solution
- Step 1: Write the proportion equation
7,912,118.08 : 11,873,050.08 = 3,118,991.68 : x - Step 2: Convert to fraction form
7,912,118.08/11,873,050.08 = 3,118,991.68/x - Step 3: Cross multiply
7,912,118.08x = 11,873,050.08 × 3,118,991.68 - Step 4: Simplify right side
7,912,118.08x = 37,031,944,415,743.34 - Step 5: Solve for x
x = 37,031,944,415,743.34/7,912,118.08 - Step 6: Final answer
x = 4,680,408.46
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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.