Finding the Fourth Proportional to 30,518,346.36, 45,768,388.50 and 10,044,286.68
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Solution
The fourth proportional to 30,518,346.36, 45,768,388.50 and 10,044,286.68 is: 15,063,424.79
Step by Step Solution
- Step 1: Write the proportion equation
30,518,346.36 : 45,768,388.50 = 10,044,286.68 : x - Step 2: Convert to fraction form
30,518,346.36/45,768,388.50 = 10,044,286.68/x - Step 3: Cross multiply
30,518,346.36x = 45,768,388.50 × 10,044,286.68 - Step 4: Simplify right side
30,518,346.36x = 459,710,814,975,615.19 - Step 5: Solve for x
x = 459,710,814,975,615.19/30,518,346.36 - Step 6: Final answer
x = 15,063,424.79
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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.