Finding the Fourth Proportional to 7,438,204.04, 11,152,212.47 and 3,787,867.91
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Solution
The fourth proportional to 7,438,204.04, 11,152,212.47 and 3,787,867.91 is: 5,679,207.97
Step by Step Solution
- Step 1: Write the proportion equation
7,438,204.04 : 11,152,212.47 = 3,787,867.91 : x - Step 2: Convert to fraction form
7,438,204.04/11,152,212.47 = 3,787,867.91/x - Step 3: Cross multiply
7,438,204.04x = 11,152,212.47 × 3,787,867.91 - Step 4: Simplify right side
7,438,204.04x = 42,243,107,665,914.43 - Step 5: Solve for x
x = 42,243,107,665,914.43/7,438,204.04 - Step 6: Final answer
x = 5,679,207.97
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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.