Finding the Fourth Proportional to 7,438,204.02, 11,152,212.45 and 3,787,867.88
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Solution
The fourth proportional to 7,438,204.02, 11,152,212.45 and 3,787,867.88 is: 5,679,207.94
Step by Step Solution
- Step 1: Write the proportion equation
7,438,204.02 : 11,152,212.45 = 3,787,867.88 : x - Step 2: Convert to fraction form
7,438,204.02/11,152,212.45 = 3,787,867.88/x - Step 3: Cross multiply
7,438,204.02x = 11,152,212.45 × 3,787,867.88 - Step 4: Simplify right side
7,438,204.02x = 42,243,107,330,291.10 - Step 5: Solve for x
x = 42,243,107,330,291.10/7,438,204.02 - Step 6: Final answer
x = 5,679,207.94
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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.