Finding the Fourth Proportional to 10,768,420.70, 14,860,420.67 and 5,873,642.54
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Solution
The fourth proportional to 10,768,420.70, 14,860,420.67 and 5,873,642.54 is: 8,105,626.76
Step by Step Solution
- Step 1: Write the proportion equation
10,768,420.70 : 14,860,420.67 = 5,873,642.54 : x - Step 2: Convert to fraction form
10,768,420.70/14,860,420.67 = 5,873,642.54/x - Step 3: Cross multiply
10,768,420.70x = 14,860,420.67 × 5,873,642.54 - Step 4: Simplify right side
10,768,420.70x = 87,284,798,980,239.08 - Step 5: Solve for x
x = 87,284,798,980,239.08/10,768,420.70 - Step 6: Final answer
x = 8,105,626.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.